# UAC

> English word · Noun · frequency rank #64,789

## Definitions
1. Initialism of unaccompanied alien child: a child sent to cross an international border without a formal adult guardian.

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