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[brey-kee-uh m, brak-ee-] /ˈbreɪ ki əm, ˈbræk i-/
noun, plural brachia
[brey-kee-uh, brak-ee-uh] /ˈbreɪ ki ə, ˈbræk i ə/ (Show IPA)
Anatomy. the part of the arm from the shoulder to the elbow.
the corresponding part of any limb, as in the wing of a bird.
an armlike part or process.
Origin of brachium
1725-35; < New Latin; Latin brāc(c)hium the arm; compare Greek brachíōn, formally the comparative of brachýs short
Related forms
postbrachium, noun, plural postbrachia.
pseudobrachium, noun, plural pseudobrachia. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for brachium


/ˈbreɪkɪəm; ˈbræk-/
noun (pl) -chia (-kɪə)
(anatomy) the arm, esp the upper part
a corresponding part, such as a wing, in an animal
(biology) a branching or armlike part
Word Origin
C18: New Latin, from Latin bracchium arm, from Greek brakhiōn
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
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brachium in Medicine

brachium bra·chi·um (brā'kē-əm, brāk'ē-)
n. pl. bra·chi·a (brā'kē-ə, brāk'ē-ə)

  1. The arm, especially between the shoulder and the elbow.

  2. An armlike structure.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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