jamとは

発音

• IPA^(key): /d͡ʒæm/
• - verb
• 韻: -æm
• 異形同音異義語: jamb, gem

語源 1

First attested in the early 18th c. as a verb meaning “to press, be pressed, be wedged in”. Eventually onomatopoeic, perhaps identical with Middle English cham (“to bite, to gnash one's teeth”), whence modern champ.

名詞

jam (countable かつ uncountable, 複数形 jams)

1. A sweet mixture of fruit boiled with sugar and allowed to congeal. Often spread on bread or toast or used in jam tarts.
2. (countable) A difficult situation.
   • 1928, Upton Sinclair, Boston

     It's a blackmail ring, and the district attorneys get a share of the loot. […] Well, they got him in the same kind of jam, and soaked him to the tune of three hundred and eighty-six thousand.

   • 1975, Bob Dylan, Tangled Up in Blue

     She was married when we first met

     Soon to be divorced

     I helped her out of a jam, I guess

     But I used a little too much force.

3. (countable) Blockage, congestion.

   A traffic jam caused us to miss the game's first period.

   a jam of logs in a river

4. (countable, popular music) An informal, impromptu performance or rehearsal.
5. (countable, by extension, informal) A song; a track.
   • 2001, Jet (volume 100, number 22, page 25)

     The result is an outstanding assortment of sophisticated, sexy and hip-hop-tinged R&B grooves, ballads and party jams.

6. (countable, by extension) An informal event where people brainstorm and collaborate on projects.

   We came up with some new ideas at the game jam.

7. (countable, 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. (countable, basketball) A forceful dunk.
9. (countable, roller derby) A play during which points can be scored.

   Toughie scored four points in that jam.

10. (climbing, countable) 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. (Britain, slang) luck.

    He's got more jam than Waitrose.

12. (slang) sexual relations or the contemplation of them.

同意語

• (sweet mixture of fruit): conserve, (米国用法) jelly, preserve
• See also Thesaurus:difficult situation

派生語

参考

• jelly
• marmalade

動詞

jam (三人称単数 現在形 jams, 現在分詞 jamming, 過去形および過去分詞形 jammed)

1. 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.

   • 1719, Daniel Defoe, Robinson Crusoe, London: W. Taylor, 3rd edition, 1719, p. 226,^[1]

     The Ship, which by its Building was Spanish, stuck fast, jaum’d in between two Rocks; all the Stern and Quarter of her was beaten to Pieces with the Sea […]

2. 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.

   • 1779, George Colman, Farewell Epilogue, spoken at Wynnstay after the representation of Cymbeline and The Spanish Barber, 22 January, 1779, in Prose on Several Occasions: Accompanied with Some Pieces in Verse, London: T. Cadel, 1787, Volume 3, p. 283,^[2]

     Since the new post-horse tax, I dare engage

     That some folks here have travell’d in the Stage:

     Jamm’d in at midnight, in cold winter weather,

     The crouded passengers are glew’d together.

3. To cause congestion or blockage. Often used with "up"

   A single accident can jam the roads for hours.

4. To block or confuse a broadcast signal.
5. (baseball) To throw a pitch at or near the batter's hands.

   Jones was jammed by the pitch.

6. (music) To play music (especially improvisation as a group, または an informal unrehearsed session).
7. To injure a finger or toe by sudden compression of the digit's tip.

   When he tripped on the step he jammed his toe.

8. (roller derby) To attempt to score points.

   Toughie jammed four times in the second period.

9. (nautical) To bring (a vessel) so close to the wind that half her upper sails are laid aback.

   (Can we find かつ add a quotation of W. C. Russell to this entry?)

10. (Canada, informal) To give up on a date or some joint endeavour; stand up, chicken out, jam out.

同意語

• ram

派生語

• (to squeeze into a small space): jam-pack
• jammer
• jam band

語源 2

Persian or Hindi, meaning "garment, robe"; related to pajamas.

名詞

jam (複数形 jams)

1. (dated) A kind of frock for children.

名詞

jam (複数形 jams)

1. (mining) Alternative form of jamb

アナグラム

• Maj, Maj., maj.

Latin

副詞

jam (not comparable)

1. Alternative form of iam

参照

• jam in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press

固有名詞

Jam.

1. (biblical) Abbreviation of James.
2. (law) Abbreviation of Jamaica.

Usage note

The legal usage is the customary abbreviation of this term as used in case citations. See, e.g., The Bluebook: A Uniform System of Citation, Nineteenth Edition (2010), "Geographical Terms: Foreign countries and regions", Table T10.3, p. 438-443.