jamb Meaning, Definition & Usage

  1. noun upright consisting of a vertical side member of a door or window frame

WordNet

Jamb noun
Etymology
Prov. E. jaumb, jaum, F. jambe a leg, jambe de force a principal rafter. See Gambol.
Definitions
  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
Definitions
  1. See Jam, v. t.

Webster 1913