jam has definitions from the fields of military,electronics,food
1
[ noun ] (food) preserve of crushed fruit

Used in print

(William Maxwell, The Chateau....)

Several sections of a loaf of dark_bread ; butter ; jam ; a tiny cake of ice .

Related terms

conserve strawberry_jam

2
[ verb ] press tightly together or cram

Synonyms

pile throng pack mob

Examples

"The crowd packed the auditorium"

Used in print

(Whit Masterson, Evil Come, Evil Go....)

`` Skolman 's jammed in every table he could find .

Related terms

crowd batch multitude

3
[ verb ] interfere with or prevent the reception of signals

Synonyms

block

Examples

"Jam the Voice of America" "block the signals emitted by this station"

Used in print

(Glenn Infield, "America's Secret Poison Gas Tragedy"...)

It was `` window '' - the tinsel paper dropped by bombers to jam radar sets , to fill the scope with hundreds of blips that would seem to be approaching bombers .

4
[ verb ] crush or bruise

Synonyms

crush

Examples

"jam a toe"

Used in print

(The Sun, [Baltimore]...)

He jammed it this spring and has had to rest it , but he says the old injury has n't bothered him .

Related terms

bruise

5
[ verb ] push forcibly, as of brakes

Examples

: "The driver jammed the brake pedal to the floor"

Used in print

(The Christian Science Monitor...)

In Chicago , the driver cut_out would likely jam his gas pedal to the floor in an effort to force the other car back .

Related terms

push

6
[ verb ] crowd or pack to capacity

Examples

"the theater was jampacked"

Related terms

stuff cram

7
[ verb ] get stuck and immobilized

Examples

"the mechanism jammed"

Related terms

malfunction

8
[ noun ] informal terms for a difficult situation

Examples

"he got into a terrible fix" "he made a muddle of his marriage"

Related terms

difficulty dog's_breakfast

9
[ verb ] (food) eat until one is sated

Synonyms

fill stuff cram fill_up

Examples

"He filled up on turkey"

Related terms

eat gorge

10
11
[ noun ] a dense crowd of people

Synonyms

press crush

Related terms

crowd traffic_jam press

12
[ noun ] (military,electronics) deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
*