• synonyms


[brang-kee-uh l]
  1. of or relating to gills or to the homologous, embryonic parts in animals without gills.
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Origin of branchial

First recorded in 1795–1805; branchi- + -al1
Related formshy·per·bran·chi·al, adjectivein·ter·bran·chi·al, adjectivepre·bran·chi·al, adjectivesub·bran·chi·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for branchial

Historical Examples of branchial

  • From the latter also the branchial cartilaginous bars are formed.

    The Origin of Vertebrates

    Walter Holbrook Gaskell

  • The branchial cavity can dilate and contract itself alternately.

    The Ocean World:

    Louis Figuier

  • Originally they are mainly concerned with branchial respiration.

    The Vertebrate Skeleton

    Sidney H. Reynolds

  • The remains of only two branchial arches are found in the adult.

    The Vertebrate Skeleton

    Sidney H. Reynolds

  • At such times the gills lose all semblance of branchial organs.

    The Sea-beach at Ebb-tide

    Augusta Foote Arnold

British Dictionary definitions for branchial


  1. of or relating to the gills of an aquatic animal, esp a fish
  2. of or relating to homologous structures in higher vertebratesbranchial cyst
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

branchial in Medicine


  1. Of, relating to, or resembling the gills of a fish, their homologous embryonic structures, or the derivatives of their homologous parts in higher animals.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.