Spot lens
(Microscopy) a condensing lens in which the light is confined to an annular pencil by means of a small, round diaphragm (the spot), and used in dark-field illumination; - called also spotted lens.

Spot rump
(Zool.) the Hudsonian godwit (Limosa hæmastica).

Spots on the sun
(Astron.) See Sun spot, ander Sun.

On the spot
immediately; before moving; without changing place; as, he made his decision on the spot.

v. t.

To make visible marks upon with some foreign matter; to discolor in or with spots; to stain; to cover with spots or figures; as, to spot a garment; to spot paper.

[imp. & p. p. Spotted; p. pr. & vb. n. Spotting.]

To mark or note so as to insure recognition; to recognize; to detect; as, to spot a criminal.

To stain; to blemish; to taint; to disgrace; to tarnish, as reputation; to asperse.

My virgin life no spotted thoughts shall stain.

- Sir P. Sidney.

If ever I shall close these eyes but once,
May I live spotted for my perjury.

- Beau. & Fl.

To spot timber
to cut or chip it, in preparation for hewing.

v. i.

To become stained with spots.

(Com.) Lit., being on the spot, or place;

Noun	1.	spot - a point located with respect to surface features of some region; "this is a nice place for a picnic" Synonyms: place, topographic point
	2.	spot - a short section or illustration (as between radio or tv programs or in a magazine) that is often used for advertising
	3.	spot - a blemish made by dirt; "he had a smudge on his cheek" Synonyms: blot, smirch, smudge, daub, slur, smear
	4.	spot - a small contrasting part of something; "a bald spot"; "a leopard's spots"; "a patch of clouds"; "patches of thin ice"; "a fleck of red" Synonyms: dapple, maculation, patch, speckle, fleck
	5.	spot - a section of an entertainment that is assigned to a specific performer or performance; "they changed his spot on the program"
	6.	spot - an outstanding characteristic; "his acting was one of the high points of the movie" Synonyms: point
	7.	spot - a business establishment for entertainment; "night spot"
	8.	spot - a job in an organization; "he occupied a post in the treasury" Synonyms: berth, billet, post, situation, position, office, place
	9.	spot - a slight attack of illness; "he has a touch of rheumatism" Synonyms: touch
	10.	spot - a small quantity; "a spot of tea"; "a bit of paper" Synonyms: bit
	11.	spot - a mark on a playing card (shape depending on the suit) Synonyms: pip
	12.	spot - a lamp that produces a strong beam of light to illuminate a restricted area; used to focus attention of a stage performer Synonyms: spotlight
	13.	spot - a playing card with a specified number of pips on it to indicate its value; "an eight spot"
	14.	spot - an act that brings discredit to the person who does it; "he made a huge blot on his copybook" Synonyms: blot, smirch, smear, stain
Verb	1.	spot - catch sight of Synonyms: descry, espy, spy
	2.	spot - mar or impair with a flaw; "her face was blemished" Synonyms: blemish
	3.	spot - make a spot or mark onto; "The wine spotted the tablecloth" Synonyms: blob, fleck, blot
	4.	spot - become spotted; "This dress spots quickly"
	5.	spot - mark with a spot or spots so as to allow easy recognition; "spot the areas that one should clearly identify"

CRT spot, DM display, Doppler signal, IF signal, IM display, RF echoes, abode, ace, acne, aimless, allocate, appointment, arc, arc light, area, ascertain, aspersion, assign, atom, attaint, badge of infamy, band, bar, bar sinister, baton, beam, bearings, beat signal, bedabble, bedaub, behold, bench mark, bend sinister, berth, besmear, besmirch, besmutch, besoil, bespangle, bespatter, bespeckle, bespot, besprinkle, billet, bind, birthmark, bit, bite, black, black eye, black mark, blacken, blaze, blaze a trail, blips, bloodstain, blotch, blur, boils, bounces, box, brand, bread, broad arrow, case, caste mark, catch, catch sight of, censure, chalk up, champain, check, check off, checker, checkmark, cicatrix, cicatrize, circumstance, clap eyes on, clutch, collocate, color filter, commercial, commercial announcement, complication, condition, connection, corner, crumb, crunch, cut, dab, dabble, dapple, dappledness, dappleness, dash, daub, define, delimit, demarcate, deploy, descry, designless, detect, determinate, diagnose, dilemma, dimmer, dirty, discern, discolor, discoloration, discover, disparagement, display, dispose, distinguish, district, dole, dollop, dot, dottedness, double-dot display, draft, dram, dredge, drench, dribble, driblet, drink, drop, dust, dwarf, earmark, echo, echo signal, embarrassing position, embarrassment, emplace, emplacement, encounter, engrave, engraving, eruptions, espy, estate, eyesore, farthing, fine how-do-you-do, finger, fix, flake, fleck, flick, floats, flood, floodlight, flour, flyspeck, footing, footlights, foots, fragment, freckle, freckliness, gargle, gash, gelatin, get a fix, glimpse, gobbet, grain, granule, graving, groat, guzzle, hack, hair, handful, haphazard, harlequin, hatch, have, have in sight, hell to pay, hit, hit-or-miss, hobble, hole, home in on, home on, hot water, how-do-you-do, identify, imbroglio, impress, imprint, imputation, install, intersperse, iota, iris, irregular, jam, jigger, jolt, jot, ken, klieg light, know, know again, latitude and longitude, lay eyes on, lentigo, libation, lieu, light plot, lights, limelight, line, little, little bit, lob, local oscillator signal, locale, locality, localize, locate, locus, look on, look upon, lot, lota, macula, maculate, maculation, macule, make a mark, make out, map, marble, marbleize, mark of Cain, mark off, mark out, marking, marquee, medium, meet with, mess, minim, minimum, minutiae, mite, mix, modality, mode, modicum, mole, molecule, morass, morsel, mote, motley, mottle, mottledness, nail, navigate, nevus, nick, nip, notch, notice, nutshell, observe, odium, office, onus, ounce, output signal, parlous straits, particle, pass, patch, pebble, peg, pencil, pepper, perceive, pick out, pick up, pickle, picture, pillorying, pimple, pin down, pinch, pinpoint, pips, pittance, placement, plight, plug, point, point champain, pointillage, pointillism, polka dot, polychrome, polychromize, position, post, posture, potation, potion, powder, predicament, pretty pass, pretty pickle, pretty predicament, prick, print, pull, punch, punctuate, puncture, put in place, quagmire, quandary, quarter, quicksand, radar signal, rainbow, rank, reading, realize, recall knowledge of, receive, recognize, reflection, region, reidentify, reprimand, reproach, return, return signal, riddle, round, round of drinks, scan, scar, scarification, scarify, scene, score, scotch, scrape, scratch, scratching, scruple, seal, seam, section, sector, see, sense, setting, shot, sight, signal, signal display, single out, sip, situate, situation, situs, slapdash, slough, slubber, slug, slur, smear, smidgen, smidgin, smirch, smitch, smouch, smudge, smut, smutch, snifter, snort, soil, soilage, soilure, spangle, spatter, speck, speckle, speckliness, splash, splatter, splotch, spoonful, spot announcement, spotlight, spots, spottedness, spottiness, spray, sprinkle, spy, squeeze, stamp, standing, state, station, status, stead, stew, sticky wicket, stigma, stigmatism, stigmatization, stigmatize, stipple, stippledness, stippling, strait, straits, strawberry mark, streak, striate, stripe, stud, suck, sully, sup, swamp, sweep, swig, swill, taint, take in, target image, tarnish, tattoo, tattoo mark, tell, tessellate, thimbleful, tick, tick off, tight spot, tight squeeze, tightrope, tiny bit, tittle, tot, trace, transmitter signal, triangulate, tricky spot, trifling amount, trigger, trivia, tune in, turn up, twig, unconsidered, underline, underscore, unholy mess, unplanned, variegate, vein, video signal, view, watermark, wet, where, whereabout, whereabouts, whit, witness, zero in on