Definition of biceps in English:


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nounplural noun biceps

  • 1Anatomy
    Any of several muscles having two points of attachment at one end.

    ‘The articular surfaces and biceps tendon attachment were found to be normal.’
    • ‘Once thawed, the proximal two-thirds of the radii were harvested along with their distal biceps tendon attachments.’
    • ‘An instance of the origin of the long tendon of the biceps from the tendon of pectoralis major is described by Koster.’
    • ‘When given from the brachial trunk, the radial recurrent has been found crossing beneath the tendon of the biceps.’
    • ‘The triceps is a forearm extensor, the opposite of the biceps.’
    1. 1.1A large muscle in the upper arm which turns the hand to face palm uppermost and flexes the arm and forearm.
      ‘he clenched his fist and exhibited his bulging biceps’
      • ‘Major flexors include the biceps brachii (which also supinates the forearm when the elbow is flexed), brachioradialis and brachialis muscles.’
      • ‘There are thirty-two segments devoted to a particular muscle, such as temporalis, masseter, sternocleidomastoid, biceps brachii and so on.’
      • ‘The tendinitis signs and symptoms can be of the rotator cuff or of the long head of the biceps brachii muscles, or both.’
      • ‘It is also known as the bicipital groove because it carries the tendon for the long head of the biceps brachii muscle.’
      • ‘There are two primary muscles on the front of your upper arm: the biceps brachii and the brachialis.’
    2. 1.2A muscle in the back of the thigh which helps to flex the leg.
      ‘Most muscle strains occur in the lower extremities with the rectus femoris and biceps femoris muscle being most commonly affected; they are followed by the semitendinosus, adductors, vastus medialis and soleus.’
      • ‘The biceps femoris muscle has been documented as the most commonly injured hamstring muscle, and this study verifies this finding.’
      • ‘The biceps femoris muscle was involved in 81% of all injuries and was the sole or predominant muscle injured in 72% of injuries.’
      • ‘The hamstrings are comprised of three separate muscles, the biceps femoris, semitendinosus and semimembranosus.’
      • ‘The nerve to the short head of the biceps femoris sometimes arises directly from the sacral plexus.’



/ˈbīˌseps/ /ˈbaɪˌsɛps/


Mid 17th century from Latin, literally ‘two-headed’, from bi- ‘two’ + -ceps (from caput ‘head’).