Definitions for jambdʒæm
Random House Webster's College Dictionary
either of the vertical sides of a doorway, window, or other opening. either of two members forming the sidepieces for the frame of an opening.
Category: Building Trades, Architecture
Origin of jamb:
1350–1400; ME jambe < MF: leg, jamb < LL gamba, var. of camba pastern, leg < Gk kampḗ bend of a limb
upright consisting of a vertical side member of a door or window frame
The vertical components that form the sides of a door frame, window frame, or fireplace, or other opening in a wall.
Origin: jambe, from jambe, from gamba
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
any thick mass of rock which prevents miners from following the lode or vein
see Jam, v. t