Category:Jam

Jam, n. Etym: [Per. or Hind. jamah garment, robe.]

Defn: A kind of frock for children.

jam Jam, n. (Mining)

Defn: See Jamb.

jam Jam, v. t. [imp. & p. p. Jammed; p. pr. & vb. n. Jamming.] Etym: [Either fr. jamb, as if squeezed between jambs, or more likely from the same source as champ See Champ.]

1. To press into a close or tight position; to crowd; to squeeze; to wedge in. The. . . jammed in between two rocks. De Foe.

2. To crush or bruise; as, to jam a finger in the crack of a door. [Colloq.]

3. (Naut.)

Defn: To bring (a vessel) so close to the wind that half her upper sails are laid aback. W. C. Russell.

jam Jam, n.

1. A mass of people or objects crowded together; also, the pressure from a crowd; a crush; as, a jam in a street; a jam of logs in a river.

2. An injury caused by jamming. [Colloq.]

jam Jam, n. Etym: [Prob. fr. jam, v.; but cf. also Ar. jamad ice, jelly, jamid congealed, jamd congelation, ice.]

Defn: A preserve of fruit boiled with sugar and water; as, raspberry jam; currant jam; grape jam. Jam nut. See Check nut, under Check. -- Jam weld (Forging), a butt weld. See under Butt.