# AAV

> English word · Noun · IPA /eɪ.eɪ.viː/ · frequency rank #74,699

## Definitions
1. Initialism of Assault Amphibious Vehicle.
2. Abbreviation of adeno-associated virus.
3. Abbreviation of air admittance vent.

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