# peritreme

> English word · Noun

## Definitions
1. That part of the integument of an insect which surrounds the spiracles.
2. The edge of the aperture of a univalve shell.

## Etymology
From peri- + -treme.

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