1. (Arch)
Defn: 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)
Defn: Any thick mass of rock which prevents miners from following the lode or vein.
JAMB
Jamb, v. t.
Defn: See Jam, v. t.
JAMBEE
Jam*bee", n. Etym: [See Jamb, n.: cf. OF. jamboier to walk.]
Defn: A fashionable cane. [Obs.] Tatler.
JAMBES; JAMBEUX Jambes, Jam"beux, n. pl. Etym: [From F. jambe a leg: cf. OF. jambiere. See Jamb, n.] (Ancient Armor)
Defn: In the Middle Ages, armor for the legs below the knees.
[Written also giambeux.] Chaucer.