jammer

noun

jam·​mer ˈja-mər How to pronounce jammer (audio)
plural -s
1
: one that jams: such as
2
a(1)
: a vehicular hoist used to load logs by animal or tractor power
(2)
: one that operates such a jammer
b
: a usually modulated transmitter that emits a signal that is intended to interfere with or make unintelligible radio or radar signals
3
: a player on a Roller Derby team who attempts to score during a jam

Word History

Etymology

jam entry 1 + -er

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Cite this Entry

“Jammer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jammer. Accessed 22 Dec. 2025.

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