noun · 6 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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General-American:/ˈd͡ʒæmɚ/
Southern-England:Recorded audio is listed in the source snapshot.
rhymes with -æmə(ɹ)
CMU ARPABET:JH AE1 M ER0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A player of the massively multiplayer online game Animal Jam (now either the app so named, formerly Animal Jam – Play Wild!, or the desktop game renamed Animal Jam Classic).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Animal Jammer
Antonyms: none provided
2
noun
Meaning 2
Any device used to jam radio reception.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A musician who jams.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
A device (e.g. a jumar) which will slide along a rope in one direction but not the other, used in rock-climbing, caving etc.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
A player who attempts to score points by making their way past other players.
Definition source: English Wiktionary via Wiktextract
Qualifier: roller derby
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
a transmitter used to broadcast electronic jamming
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: transmitter, sender
History
Etymology
From jam + -er.
Etymology tree English jam Proto-Indo-European *-yósder. Proto-Italic *-āzios Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English jammer From jam + -er.
Across languages
Translations
8 source translations are retained for this English entry.
Dutch:
stoorzender
— device used to jam radio reception
Finnish:
häirintälähetin
— device used to jam radio reception
Finnish:
häirintälaite
— device used to jam radio reception
French:
brouilleur
— device used to jam radio reception
German:
Störsender
— device used to jam radio reception
German:
Jammer
— device used to jam radio reception
Polish:
zakłócacz
— device used to jam radio reception
Turkish:
sinyal bozucu
— device used to jam radio reception