Definition of gill arch in English:

gill arch

Syllabification: gill arch

Entry from US English dictionary

noun

  • 1Any of a series of bony or cartilaginous curved bars along the pharynx, supporting the gills of fish and amphibians.
  • 1.1Any of the corresponding rudimentary structures in the embryos of higher vertebrates.

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Word of the day kerf
Pronunciation: kərf
noun
a slit made by cutting with a saw