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gill arch

American  
[gil] / gɪl /

Etymology

Origin of gill arch

First recorded in 1875–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To help reduce that pollution, researchers at the University of Bonn have created a new filter based on a natural model: the gill arch system in fish.

From Science Daily • Dec. 22, 2025

They swim with open mouths and capture plankton using their gill arch system.

From Science Daily • Dec. 22, 2025

Combining this with the new brain-case evidence, the team suggest the sixth gill arch was incorporated into the shoulder, becoming a crucial boundary that separated the head from the body.

From Science Daily • Nov. 1, 2023

The divot, or the area that was once the sixth gill arch, is an anatomical landmark, dividing head from trunk tissue, Brazeau and his colleagues say.

From Science Magazine • Nov. 1, 2023

Another gill arch eventually evolved into a head bone called the hyoid.

From Science Magazine • Nov. 1, 2023

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