jam

IPA: dʒˈæm

(less common in the US) A sweet mixture of fruit boiled with sugar and allowed to congeal. Often spread on bread or toast or used in jam tarts.
(countable) A difficult situation.
(countable, baseball) A difficult situation for a pitcher or defending team.
(countable) A blockage, congestion, or immobilization.
(countable, popular music) An informal, impromptu performance or rehearsal.
(countable, by extension, informal) A song; a track.
(countable, by extension) An informal event where people brainstorm and collaborate on projects.
(countable, slang) That which one particularly prefers, desires, enjoys, or cares about.
(countable, basketball) A forceful dunk.
(countable, roller derby) A play during which points can be scored.
(climbing, countable) Any of several maneuvers requiring wedging of an extremity into a tight space.
(Australia) The tree Acacia acuminata, with fruity-smelling hard timber.
(UK, slang) Luck.
(Canada, slang) balls, bollocks, courage, machismo
(slang) Sexual relations or the contemplation of them.
(dated) A kind of frock for children.
(UK, informal) A household that is only barely able to meet its financial obligations.
(mining) Alternative form of jamb [(architecture, interior decorating, carpentry) Either of the vertical components that form the side of an opening in a wall, such as that of a door frame, window frame, or fireplace.]

To get something stuck, often (though not necessarily) in a confined space.
To brusquely force something into a space; to cram, to squeeze.
To render something unable to move.
To cause congestion or blockage. Often used with "up".
To block or confuse a radio or radar signal by transmitting a more-powerful signal on the same frequency.
(baseball) To throw a pitch at or near the batter's hands.
(basketball) To dunk.
(music) To play music (especially improvisation as a group, or an informal unrehearsed session).
To injure a finger or toe by sudden compression of the digit's tip.
(roller derby) To attempt to score points.
(nautical, transitive) To bring (a vessel) so close to the wind that half her upper sails are laid aback.
(Canada, informal) To give up on a date or some other joint endeavour; to stand up, chicken out, jam out.
(colloquial) To be of high quality.

Examples of "jam" in Sentences

The term jam-eating comes from when people worked in the mines.
One is the - there's not a sufficient amount of what we call jam sessions.
We'd do what we called jam-but the only guy who could hold his instrument right side up was Peter Van Gelder.
Since this "jam" is getting a little dated, a number of the pictures posted there have already gone the way of the dodo bird.
With the term jam band incorporating everything from blues to bluegrass these days, it's an overused handle that barely describes all the disparate bands lumped within its parameters.
There was no explicit support for radical group Hamas, though a small group of demonstrators made a shout using a pun with the Spanish word jamás ( "never"), whose pronunciation is nearly identical to "Hamas".
The cause of the "jam" is a prevalence of south winds for a few days, and then a sudden change to the north -- the first forcing the ice down the Upper Lakes into the river, which is prevented by the north-winds from getting into Lake Ontario.
NOW, to celebrate this release, the SMD boys, some of their musical friends, and our pals at Modular UK are throwing a party TONIGHT in London - SMD will be there along with the Klaxons, Mystery Jets, Good Books, and the Modular and Ten Dead Sloanes DJ crews - the jam is at Sin (144 Charing Cross Road - WC2H 0LB) and costs six pounds in advance or eight with your student union card.