Dictionary.com
definitions
  • synonyms

biceps brachii

[brey-kee-ahy, -kee-ee, brak-ee-ahy, -ee-ee]
noun
  1. See under biceps.
Show More

Origin of biceps brachii

1855–60: < New Latin: literally, biceps of (the) arm

biceps

[bahy-seps]
noun, plural bi·ceps·es [bahy-sep-siz] /ˈbaɪ sɛp sɪz/, bi·ceps. Anatomy.
  1. either of two flexor muscles, one (biceps brachii) located in the front of the upper arm and assisting in bending the arm, and the other (biceps femoris) located on the back of the thigh and assisting in bending the leg.
Show More

Origin of biceps

1625–35; < Latin: two-headed, having two parts, equivalent to bi- bi-1 + -ceps (stem -cipit-), combining form of caput head
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for biceps brachii

biceps

noun plural -ceps
  1. anatomy any muscle having two heads or origins, esp the muscle that flexes the forearmRelated adjective: bicipital
Show More

Word Origin

C17: from Latin: having two heads, from bi- 1 caput head
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

Word Origin and History for biceps brachii

biceps

1630s (adj.), from Latin biceps "having two parts," literally "two-headed," from bis "double" (see bis-) + -ceps comb. form of caput "head" (see capitulum). As a noun meaning "biceps muscle," from 1640s, so called for its structure. Despite the -s, it is singular, and classicists insist there is no such word as bicep.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

biceps brachii in Medicine

biceps

(bīsĕps′)
n. pl. biceps
  1. A muscle with two heads or points of origin.
  2. The biceps brachii.
  3. The biceps femoris.
Show More
Related formsbi•cipi•tal (-sĭpĭ-tl) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

biceps brachii in Science

biceps

[bīsĕps′]
  1. Either of two muscles, biceps brachii of the arm or biceps femoris of the leg, each with two points of origin. The biceps of the arm bends the elbow, while the biceps of the leg helps to bend the knee as part of the hamstring.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.