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biceps

Syllabification: (bi·ceps)
Pronunciation: /ˈbīˌseps/
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Definition of biceps

noun (plural same or bicepses /-ˌsepsiz, -sɛpsIz/)

  • a muscle having two points of attachment at one end, in particular.
  • (also biceps brachii /ˈbrākēˌī, -kēˌē, ˈbrak-/) the large muscle in the upper arm that turns the hand to face palm uppermost and flexes the arm and forearm:he clenched his fist and exhibited his bulging biceps
  • (also biceps femoris /ˈfeməris/) Anatomy the muscle in the back of the thigh that helps to flex the leg.

Derivatives

bicep

adjective
bicep curls

Origin:

mid 17th century: from Latin, literally 'two-headed', from bi- 'two' + -ceps (from caput 'head')

The plural of biceps is the same as the singular: biceps.

biceps in other Oxford dictionaries

Definition of biceps in the British & World English dictionary