jam
verb \ˈjam\
: to fill (a place) completely
: to fill (something, such as a door or a road) so that movement is slow or stopped
: to press or push (an object) into a tight place
jammedjam·ming
Full Definition of JAM
intransitive verb
1a : to become blocked or wedged
b: to become unworkable through the jamming of a movable part
2: to force one's way into a restricted space
3: to take part in a jam session
4: dunk 2
transitive verb
1a : to press into a close or tight position <jam his hat on>
b (1) : to cause to become wedged so as to be unworkable <jam the typewriter keys> (2) : to make unworkable by jamming
c: to block passage of : obstruct
d: to fill often to excess : pack <the crowd jammed the theater>
2: to push forcibly; especially : to apply (brakes) suddenly and forcibly —used with on
3: crush, bruise
4a : to make unintelligible by sending out interfering signals or messages
b: to make (as a radar apparatus) ineffective by jamming signals or by causing reflection of radar waves
5: to block, crowd, or bump (a pass receiver) near the line of scrimmage in football
6: to pitch inside to (a batter)