gill pouch

[ gil ]

noun

1. branchial pouch.

gill pouch

/ ɡɪl /

noun

1. any of a series of paired linear pouches in chordate embryos, arising as outgrowths of the wall of the pharynx. In fish and some amphibians they become the gill slits

Word History and Origins

Origin of gill pouch¹

First recorded in 1900–05

Example Sentences

The branchial unit in the vertebrate is not the gill-pouch, but the branchial bar or appendage between the pouches.

From Project Gutenberg