1.preserve of crushed fruit
2.informal terms for a difficult situation;
he got into a terrible fix
3.a dense crowd of people
4.deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
1.press tightly together or cram;
The crowd packed the auditorium
2.push down forcibly;
The driver jammed the brake pedal to the floor
3.crush or bruise;
jam a toe
4.interfere with or prevent the reception of signals;
Jam the Voice of America
5.get stuck and immobilized;
the mechanism jammed
6.crowd or pack to capacity;
the theater was jampacked
7.block passage through;
obstruct the path