jamb
NounWordNet 3.0
Noun (1)
- upright consisting of a vertical side member of a door or window frame
Webster's Dictionary (GCIDE)
Jamb \Jamb\, n. [Prov. E. jaumb, jaum, F. jambe a leg, jambe de force a principal rafter. See Gambol.] [1913 Webster]
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. [1913 Webster]
2.(Mining) Any thick mass of rock which prevents miners from following the lode or vein. [1913 Webster]