noun
one of the bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians
• Syn: ↑branchial arch, ↑gill bar
• Hypernyms: ↑structure, ↑anatomical structure, ↑complex body part, ↑bodily structure, ↑body structure
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noun* * *
/gil/.
See branchial arch.
[1875-80]
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gill arch noun
(in fish) the incomplete jointed skeletal ring supporting a single pair of gill slits
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Main Entry: ↑gill
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gill arch,
one of the cartilaginous arches supporting the gill of a fish or amphibian.
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n. any of a series of bony or cartilaginous curved bars along the pharynx, supporting the gills of fish and amphibians
■ any of the corresponding rudimentary structures in the embryos of higher vertebrates
Useful english dictionary. 2012.