JAMMER
- block, crowd, or bump (a pass receiver) near the line of scrimmage in football
- to become blocked or wedged
- become unworkable through the jamming of a movable part
- force one's way into a restricted space
- take part in a jam session
- cause to become wedged so as to be unworkable jam the typewriter keys
- make unworkable by jamming
- block passage of obstruct
- fill often to excess pack the crowd jammed the theater
- push forcibly
- apply (brakes) suddenly and forcibly used with on
- make unintelligible by sending out interfering signals or messages
- press into a close or tight position jam his hat on
- one that jams (to force together tightly) [n JAMMERS]
- make (as a radar apparatus) ineffective by jamming signals or by causing reflection of radar waves
- pitch inside to (a batter)
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