L

n.	1.	L is the twelfth letter of the English alphabet, and a vocal consonant. It is usually called a semivowel or liquid. Its form and value are from the Greek, through the Latin, the form of the Greek letter being from the Phœnician, and the ultimate origin prob. Egyptian. Etymologically, it is most closely related to r and u; as in pilgrim, peregrine, couch (fr. collocare), aubura (fr. LL. alburnus).
	2.	As a numeral, L stands for fifty in the English, as in the Latin language. For 50 the Romans used the Chalcidian chi, , which assumed the less difficult lapidary type, , and was then easily assimilated to L. - I. Taylor (The Alphabet).
	1.	An extension at right angles to the length of a main building, giving to the ground plan a form resembling the letter L; sometimes less properly applied to a narrower, or lower, extension in the direction of the length of the main building; a wing.
	2.	(Mech.) A short right-angled pipe fitting, used in connecting two pipes at right angles.
a.	1.	Having the general shape of the (capital) letter L; as, an L beam, or L-beam.
	2.	Elevated; - a symbol for el. as an abbreviation of elevated in elevated road or railroad.

Noun	1.	l - a metric unit of capacity equal to the volume of 1 kilogram of pure water at 4 degrees centigrade and 760 mm of mercury (or approximately 1.76 pints) Synonyms: cubic decimeter, cubic decimetre, liter, litre
	2.	L - the cardinal number that is the product of ten and five Synonyms: 50, fifty
	3.	L - a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter Synonyms: lambert
	4.	L - the 12th letter of the Roman alphabet
Adj.	1.	l - being ten more than forty Synonyms: 50, fifty

R, Sexagesima, acting area, addition, angle, annex, apex, apron, apron stage, backstage, band shell, bandstand, bend, bifurcation, bight, board, boxcar, boxcars, branch, bridge, cable railway, cant, chevron, cog railway, coin, corner, coulisse, crank, crook, crotchet, deflection, dock, dogleg, dozen, dressing room, duodecimo, eighty, el, elbow, electric railway, elevated, elevated railway, eleven, ell, embankment, extension, feeder, feeder line, fifteen, fifty, five and twenty, flies, fly floor, fly gallery, forestage, fork, fortnight, forty, four and twenty, fourscore, fourscore and ten, fourteen, furcation, gravity-operated railway, greenroom, grid, gridiron, half a hundred, hook, horse railway, inflection, junction, knee, light railroad, lightboard, line, long dozen, main line, metro, monorail, ninety, nonagenarian, nook, octogenarian, orchestra, orchestra pit, performing area, pit, point, proscenium, proscenium stage, quindecennial, quindecim, quindecima, quindene, quoin, rack railway, rack-and-pinion railway, rail, rail line, railroad, railway, roadbed, roadway, score, septuagenarian, seventy, sexagenarian, sexagenary, sexagesimo-quarto, shell, sidetrack, siding, sixteen, sixteenmo, sixty, sixty-four, sixty-fourmo, stage, stage left, stage right, street railway, streetcar line, subway, swerve, switchback, switchboard, teens, terminal, terminus, the boards, thirteen, thirty-two, thirty-twomo, threescore, threescore and ten, track, tram, tramline, trestle, trolley line, trunk, trunk line, tube, turnout, twelve, twelvemo, twenty, twenty-five, twenty-four, twenty-fourmo, two dozen, two weeks, twoscore, underground, veer, vertex, wing, wings, zag, zig, zigzag