# pessulus

> English word · Noun

## Definitions
1. A delicate bar of cartilage connecting the dorsal and ventral extremities of the first pair of bronchial cartilages in the syrinx of birds.

## Etymology
Borrowed from Latin pessulus (“bolt (of a door)”).

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