biceps brachii

[ brey-kee-ahy, -kee-ee, brak-ee-ahy, -ee-ee ]
/ ˈbreɪ kiˌaɪ, -kiˌi, ˈbræk iˌaɪ, -iˌi /

noun

See under biceps.

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Origin of biceps brachii

1855–60: <New Latin: literally, biceps of (the) arm
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for biceps brachii

biceps brachii
[ brākē-ī′, -kē-ē′, brăkē-ī′, -ē-ē′ ]

n.

A muscle whose long head has origin from the supraglenoidal tuberosity of the scapula and whose short head has origin from the coracoid process, with insertion into the tuberosity of the radius, with nerve supply from the musculocutaneous nerve, and whose action flexes and supinates the forearm.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.