I. ˈjam, -aa(ə)- noun
( -s )
Etymology: Middle English jambe, from Middle French, literally, leg, from Late Latin gamba, camba hock (of a horse), leg — more at gambol
1. : an upright piece or surface forming the side of an opening (as a doorway, window, fireplace)
2. : a projecting columnar part (as of a masonry wall) or mass (as of ore)
3. : leg , shank — used chiefly in heraldry
4. also jambe “ : jambeau
II.
variant of jam