Jamming - Definitions from Dictionary.com

3 results for: Jamming

jam1

Audio Help [

jam] Pronunciation Key verb, jammed, jam·ming, noun

–verb (used with object)

1.	to press, squeeze, or wedge tightly between bodies or surfaces, so that motion or extrication is made difficult or impossible: The ship was jammed between two rocks.

2.	to bruise or crush by squeezing: She jammed her hand in the door.

3.	to fill too tightly; cram: He jammed the suitcase with clothing.

4.	to press, push, or thrust violently, as into a confined space or against some object: She jammed her foot on the brake.

5.	to fill or block up by crowding; pack or obstruct: Crowds jammed the doors.

6.	to put or place in position with a violent gesture (often fol. by on): He jammed his hat on and stalked out of the room.

7.	to make (something) unworkable by causing parts to become stuck, blocked, caught, displaced, etc.: to jam a lock.

Radio.

a.	to interfere with (radio signals or the like) by sending out other signals of approximately the same frequency.

b.	(of radio signals or the like) to interfere with (other signals).

9.	to play (a piece) in a freely improvised, swinging way; jazz up: to jam both standard tunes and the classics.

10.	Nautical. to head (a sailing ship) as nearly as possible into the wind without putting it in stays or putting it wholly aback.

–verb (used without object)

11.	to become stuck, wedged, fixed, blocked, etc.: This door jams easily.

12.	to press or push, often violently, as into a confined space or against one another: They jammed into the elevator.

13.	(of a machine, part, etc.) to become unworkable, as through the wedging or displacement of a part.

14.	Jazz. to participate in a jam session.

–noun

15.	the act of jamming or the state of being jammed.

16.	a mass of objects, vehicles, etc., jammed together or otherwise unable to move except slowly: a log jam; a traffic jam.

17.	Informal. a difficult or embarrassing situation; fix: He got himself into a jam with his boss.

18.	jam session.

[Origin: 1700–10; appar. imit.; cf. champ¹, dam¹

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Jamming

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jam¹ Audio Help   (jām) Pronunciation Key
v.   jammed, jam·ming, jams

v.   tr.

To drive or wedge forcibly into a tight position: jammed the cork in the bottle.
To activate or apply (a brake) suddenly. Often used with on: jammed the brakes on.
To cause (moving parts, for example) to lock into an unworkable position: jammed the typewriter keys.
1. To pack (items, for example) to excess; cram: jammed my clothes into the suitcase.
2. To fill (a container or space) to overflowing: I jammed the suitcase with clothes. Fans jammed the hallway after the concert.
To block, congest, or clog: a drain that was jammed by debris.
To crush or bruise: jam a finger.
Electronics To interfere with or prevent the clear reception of (broadcast signals) by electronic means.
Baseball To throw an inside pitch to (a batter), especially to prevent the batter from hitting the ball with the thicker part of the bat.

v. intr.

[Origin unknown.]

jam'ma·ble adj., jam'mer n.

jamming
noun
deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems