Jamb
Jamb , noun
[Prov. English jaumb, jaum, French jambe a leg, jambe de force a principal rafter. See Gambol.]
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. — Gwilt
2.
(Mining) Any thick mass of rock which prevents miners from following the lode or vein.
Jamb , transitive verb
See Jam, transitive verb & i.
Jamb , noun
See Jambes.
Also: Jambeau, Jambe