Main entry: jam, jamming, electronic jamming
Definition: deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
Main entry: jam
Definition: preserve of crushed fruit
Definition: a dense crowd of people
Main entry: pickle, hole, muddle, mess, jam, kettle of fish, fix
Definition: informal terms for a difficult situation
Usage: he got into a terrible fix; he made a muddle of his marriage
Definition: interfere with or prevent the reception of signals
Usage: Jam the Voice of America; block the signals emitted by this station
Main entry: jam, close up, block, impede, obstruct, obturate, occlude
Definition: block passage through
Usage: obstruct the path
Definition: crush or bruise
Usage: jam a toe
Main entry: chock up, ram, cram, jam, jampack, wad
Definition: crowd or pack to capacity
Usage: the theater was jampacked
Main entry: jam
Definition: get stuck and immobilized
Usage: the mechanism jammed
Main entry: jam
Definition: push down forcibly
Usage: The driver jammed the brake pedal to the floor
Main entry: pack, mob, jam, pile, throng
Definition: press tightly together or cram
Usage: The crowd packed the auditorium