# barreleye

> English word · Noun

## Definitions
1. A small, deep-sea osmeriform fish of the family Opisthoproctidae, with barrel-shaped, tubular eyes which are generally directed upwards to detect the silhouettes of available prey.

## Etymology
From barrel + eye.

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