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gill bar

American  
[gil] / gɪl /

noun

  1. branchial arch.

Example Sentences

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The gills are formed in the shape of a U. A skeletal rod or gill bar separates the gills from each other.

From Journal of Entomology and Zoology Volume Eleven, Number Two, June 1919 by Various

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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.