# fishmouth

> English word · Noun

## Definitions
1. A half-cylindrical or half-conical shaped opening or void in a lapped edge or seam, usually caused by wrinkling or shifting of ply sheets during installation.
2. A wide incision made to drain fluid from under the fingernail.
3. A horizontal incision on the breast aligned with the nipples made to drain or excise the breast fat as a form of top surgery.
4. A chronically open mouth.

## Etymology
From fish + mouth.

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