• synonyms


[brey-kee-uh l, brak-ee-]Anatomy, Zoology
  1. belonging to the arm, foreleg, wing, pectoral fin, or other forelimb of a vertebrate.
  2. belonging to the upper part of such a member, from the shoulder to the elbow.
  3. armlike, as an appendage.
Show More
  1. a brachial part or structure.
Show More

Origin of brachial

First recorded in 1570–80, brachial is from the Latin word brāchiālis of, belonging to the arm. See brachi-, -al1
Related formsin·ter·bra·chi·al, adjectivepost·bra·chi·al, adjectivepre·bra·chi·al, adjectivepseu·do·bra·chi·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for brachial

Historical Examples of brachial

  • Then they erected in the bakehouse a brachial weighing-machine.

    Bouvard and Pcuchet

    Gustave Flaubert

  • The arm is divided into three sections: the deltoid, brachial and carpal.

  • A pressure made on the brachial vein and its branches by scirrhous glands in the axilla, is a common cause of this state.

  • There is some difference in the pressure in the femoral and the brachial and some use both arteries.

    Arteriosclerosis and Hypertension:

    Louis Marshall Warfield

  • All measurements are taken from the brachial artery, with the individuals in the sitting posture.

    Arteriosclerosis and Hypertension:

    Louis Marshall Warfield

British Dictionary definitions for brachial


  1. of or relating to the arm or to an armlike part or structure
Show More
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

brachial in Medicine


  1. Relating to the arm.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

brachial in Science


  1. Relating to or involving the arm.
  2. Relating to the forelimb or wing of a vertebrate.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.