# flathead

> English word · Noun · IPA /ˈflætˌhɛd/ · frequency rank #42,138

## Definitions
1. Any fish in the family Platycephalidae.
2. Ellipsis of flathead catfish
3. A type of screw or bolt designed to fit in a countersink so that it sits flush with a surface.
4. Synonym of side valve.

## Etymology
From flat + head.

## Easily confused with
- **flashed** (https://plainspell.com/en/vs/flashed-vs-flathead)
- **flatbed** (https://plainspell.com/en/vs/flatbed-vs-flathead)

## Common misspellings (12)
`falthead`, `fflathead`, `flahtead`, `flatehad`, `flathaed`, `flatheadd`, `flatheda`, `flathhead`, `flatthead`, `fllathead`, `fltahead`, `lfathead`

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