# atresia

> English word · Noun · frequency rank #90,161

## Definitions
1. A condition in which a body orifice or passage in the body is abnormally closed or absent.

## Etymology
From Latin atresia, from Ancient Greek ἀ- (a-, “not, without”) and τρῆσις (trêsis, “perforation”).

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