from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One of a pair of vertical posts or pieces that together form the sides of a door, window frame, or fireplace, for example.
- n. A projecting mass or columnar part.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The vertical components that form the sides of a door frame, window frame, or fireplace, or other opening in a wall.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
- n. Any thick mass of rock which prevents miners from following the lode or vein.
- transitive v. See jam, v. t. & i.
- n. See jambes.
from The Century Dictionary and Cyclopedia
- n. A leg.
- n. The side or cheek of a helmet or shield.
- n. In architecture, a side or vertical piece of any opening or aperture in a wall, such as a door, window, or chimney, which helps to bear the lintel or other member overhead serving to sustain or discharge the superincumbent weight of the wall.
- n. In mining, a mass of mineral or stone in a quarry or pit standing upright, and more or less distinct from neighboring or adjoining parts. Also spelled jam.
- An obsolete spelling of jam.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. upright consisting of a vertical side member of a door or window frame
Middle English jambe, from Old French, leg, jamb, from Late Latin gamba, horse's hock, leg; see gambol.(American Heritage® Dictionary of the English Language, Fourth Edition)
Middle English jambe, from Middle French jambe ("leg"), from Late Latin gamba (Wiktionary)