1. n. (New Zealand, Australia, British) A dessert made by boiling gelatine, sugar and some flavouring (often derived from fruit) and allowing it to set, known as "jello" in North America.
2. n. (North America) A clear or translucent fruit preserve, made from fruit juice and set using either naturally occurring, or added, pectin. Known as "jam" in Commonwealth English.
3. n. A savoury substance, derived from meat, that has the same texture as the dessert.
4. n. Any substance or object having the consistency of jelly.
calf's-foot jelly
5. n. (zoology) A jellyfish.
6. n. (slang) A pretty girl; a girlfriend.
7. n. (US, slang) A large backside, especially a woman's.
8. n. (colloquial) (clipping of gelignite)
9. n. (colloquial) A jelly shoe.
10. n. (colloquial, US) Blood.
11. v. To wiggle like jelly.
12. v. To make jelly.
13. adj. (slang) Jealous.
jam session
jam session
1. n. (music) An informal gathering of musicians to play music, especially improvised jazz or a similar genre.
jam
1. 名詞. ジャム。
2. 名詞. 困難。
I'm in a jam right now. Can you help me out?
今ちょっと困っているんだ。手伝ってくれない。
3. 名詞. 渋滞。
A traffic jam caused us to miss the game's first period.
交通渋滞で、試合の第一ピリオドを見逃したよ。
4. 名詞. （音楽）ジャムセッションの略。
5. 名詞. （野球）ピッチャーや守備側にとっての失点のピンチ。
He's in a jam now, having walked the bases loaded with the cleanup hitter coming to bat.
出塁しているところに4番打者だなんて、彼は今ピンチだ。
6. 名詞. （バスケットボール）ダンクシュート。
7. 動詞. 押し込む、詰め込む。
The rush-hour train was jammed with commuters.
ラッシュアワーの列車は通勤客ですし詰めだった。
They temporarily stopped the gas tank leak by jamming a piece of taffy into the hole.
彼らは、一時的にガスが漏れないようにするため、穴に水飴を詰め込んだ。
8. 動詞. 嵌り込む。
My foot GOT jammed in a gap between the rocks.
岩の間に足がはまり込んじゃったよ。
9. 動詞. 突き指する、（足指を）くじく。
When he tripped on the step he jammed his toe.
彼は階段を踏み外して、つま先をくじいた、
10. 動詞. 渋滞を引き起こす。
A single accident can jam the roads for hours.
信号が故障すると何時間も交通渋滞が起こりかねない。
11. 動詞. 混信させる。
jam
1. n. A sweet mixture of fruit boiled with sugar and allowed to congeal. Often spread on bread or toast or used in jam tarts.
2. n. A difficult situation.
3. n. Blockage, congestion.
A traffic jam caused us to miss the game's first period.
a jam of logs in a river
4. n. (popular music) An informal, impromptu performance or rehearsal.
5. n. (by extension, informal) A song; a track.
6. n. (by extension) An informal event where people brainstorm and collaborate on projects.
We came up with some new ideas at the game jam.
7. n. (baseball) A difficult situation for a pitcher or defending team.
He's in a jam now, having walked the bases loaded with the cleanup hitter coming to bat.
8. n. (basketball) A forceful dunk.
9. n. (roller derby) A play during which points can be scored.
Toughie scored four points in that jam.
10. n. (climbing) Any of several maneuvers requiring wedging of an extremity into a tight space.
I used a whole series of fist and foot jams in that crack.
11. n. (slang) luck.
He's got more jam than Waitrose.
12. n. (slang) sexual relations or the contemplation of them.
13. v. To get something stuck in a confined space.
My foot got jammed in a gap between the rocks.
Her poor little baby toe got jammed in the door.
I jammed the top knuckle of my ring finger.
14. v. To brusquely force something into a space; cram, squeeze.
They temporarily stopped the gas tank leak by jamming a piece of taffy into the hole.
The rush-hour train was jammed with commuters.
15. v. To cause congestion or blockage. Often used with "up".
A single accident can jam the roads for hours.
16. v. To block or confuse a broadcast signal.
17. v. (baseball) To throw a pitch at or near the batter's hands.
Jones was jammed by the pitch.
18. v. (music) To play music (especially improvisation as a group, or an informal unrehearsed session).
19. v. To injure a finger or toe by sudden compression of the digit's tip.
When he tripped on the step he jammed his toe.
20. v. (roller derby) To attempt to score points.
Toughie jammed four times in the second period.
21. v. (nautical) To bring (a vessel) so close to the wind that half her upper sails are laid aback.
22. v. (Canadian, informal) To give up on a date or some joint endeavour; stand up, chicken out, jam out.
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