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.
Their gill arch system forms a funnel that is widest at the mouth and narrows toward the gullet.
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
To build a version for laundry, the researchers recreated the gill arch system and tested different mesh sizes and funnel opening angles.
From Science Daily ● Dec. 22, 2025
Known placoderms have at most five gill arches, others having evolved into jaws and the hyoid, so the pectoral girdle derives from what was once the sixth gill arch, Brazeau’s team concludes.
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.
