1.Jamaica

1.a food made by boiling fruit with sugar until it is thick

2.a crowded mass of people or things that blocks something

3.a difficult situation I got myself into a jam.

1.a crowded mass that impedes or blocks movement

2.an act or instance of becoming blocked or jammed (see jam entry 2)

3.the quality or state of being blocked, stopped, or jammed

4.the pressure or congestion of a crowd : crush

5.a difficult situation or state of affairs : fix

6.jam session

7.【basketball】dunk shot

8.a musical piece

9.a favorite or much-loved item, subject, interest, activity, etc.

1.to become blocked, wedged, or stuck fast

2.to become unworkable when a movable part becomes blocked or stuck

3.to force one’s way into a restricted space

4.to improvise on a musical instrument with a group : to take part in a jam session

5.【basketball】dunk sense 2

6.to press into a close or tight position

7.to cause to become wedged or stuck so as to be unworkable

8.to block passage of : obstruct

9.to fill often to excess : pack

10.to push forcibly

11.to cause (a part of the body) to be painfully crushed or squeezed

12.to make unintelligible by sending out interfering signals or messages

13.to make (a radar apparatus) ineffective by sending out interfering signals or by causing reflection of radar waves

14.【football】to block, crowd, or bump (a pass receiver) near the line of scrimmage

15.【baseball】to pitch inside to (a batter)

16.to crowd, squeeze, or wedge into a tight position

17.to put into action hard or suddenly

18.to hurt by pressure

19.to be or cause to be stuck or unable to work because a part is wedged tight

20.to cause interference in (radio or television signals)