Meaning of jam

Definition of jam

(noun) preserve of crushed fruit
informal terms for a difficult situation; "he got into a terrible fix"; "he made a muddle of his marriage"
a dense crowd of people
deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
(verb) press tightly together or cram; "The crowd packed the auditorium"
push down forcibly; "The driver jammed the brake pedal to the floor"
crush or bruise; "jam a toe"
interfere with or prevent the reception of signals; "Jam the Voice of America"; "block the signals emitted by this station"
get stuck and immobilized; "the mechanism jammed"
crowd or pack to capacity; "the theater was jampacked"
block passage through; "obstruct the path"

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