# univalve

> English word · Adjective

## Definitions
1. having one valve; typically used to refer to mollusks, notably slugs and snails.
2. consisting of a single valve or piece, used to refer to a shell.

## Etymology
Originated 1655–65 from uni- (“one”) + valve.

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