# capper

> English word · Noun · frequency rank #54,673

## Definitions
1. A device or person that applies caps, as to bullets or bottles.
2. A person that makes or sells caps.
3. A finale; something that is conclusively better, or "caps it all off".
4. A by-bidder; a decoy for gamblers.

## Etymology
From Middle English capper; equivalent to cap + -er.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/capper