Jamb

n.	1.
	1.	(Arch) The vertical side of any opening, as a door or fireplace; hence, less properly, any narrow vertical surface of wall, as the of a chimney-breast or of a pier, as distinguished from its face.
	2.	(Mining) Any thick mass of rock which prevents miners from following the lode or vein.
v. t.	1.	See Jam, v. t. & i.
n.	1.	See Jambes.

Noun

1.

jamb - upright consisting of a vertical side member of a door or window frame

Samson post, ankle, baluster, balustrade, banister, bayonet legs, bowlegs, calf, cnemis, doorjamb, doorpost, drumstick, foreleg, gamb, gambrel, gatepost, gigot, ham, hind leg, hitching post, hock, king post, knee, leg, limb, milepost, mullion, podite, popliteal space, post, scissor-legs, shank, shin, signpost, snubbing post, stanchion, standard, stems, stile, stumps, tarsus, trotters, upright