What does "capper" mean?
Capper: A by-bidder; a decoy for gamblers [Slang, U. S.].
Additional senses
- 2.An instrument for applying a percussion cap to a gun or cartridge.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00