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
Ichthyologists have long argued that jaws arose from an ancestor’s most forward gill arch.
From Science Magazine ● Nov. 1, 2023
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
These fish lack a distinctive head and shoulder, but fossil evidence of blood vessels shows the circulatory system to the head and to the trunk divides after the sixth gill arch.
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.
