n. | 1. | |
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. | |
2. | (Mining) Any thick mass of rock which prevents miners from following the lode or vein. | |
v. t. | 1. | See Jam, |
n. | 1. | See Jambes. |
Noun | 1. | jamb - upright consisting of a vertical side member of a door or window frame |