Jam, v. t. [imp. & p. p. Jammed p. pr. & vb. n. Jamming.]
1. To press into a close or tight position; to crowd; to squeeze; to wedge in; to cram; as, rock fans jammed the theater for the concert.
The ship . . . 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. To bring (a vessel) so close to the wind that half her upper sails are laid aback.
jam
n 1: preserve of crushed fruit
2: informal terms for a difficult situation; "he got into a
terrible fix"; "he made a muddle of his marriage" [syn: fix,
hole, mess, muddle, pickle, kettle of fish]
3: a dense crowd of people [syn: crush, press]
4: deliberate radiation or reflection of electromagnetic energy
for the purpose of disrupting enemy use of electronic
devices or systems [syn: jamming, electronic jamming]
v 1: press tightly together or cram; "The crowd packed the
auditorium" [syn: throng, mob, pack, pile]
2: push down forcibly; "The driver jammed the brake pedal to
the floor"
3: crush or bruise; "jam a toe" [syn: crush]
4: interfere with or prevent the reception of signals; "Jam the
Voice of America"; "block the signals emitted by this
station" [syn: block]
5: get stuck and immobilized; "the mechanism jammed"
6: crowd or pack to capacity; "the theater was jampacked" [syn:
jampack, ram, chock up, cram, wad]
7: block passage through; "obstruct the path" [syn: obstruct,
obturate, impede, occlude, block, close up]
[ant: free]
[also: jamming, jammed]
jammed
adj : filled to capacity; "a suitcase jammed with dirty clothes";
"stands jam-packed with fans"; "a packed theater" [syn:
jam-pawncked, packed]