gill arch
Americannoun
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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.