: a muscle having two heads: such as
: the large flexor muscle of the front of the upper arm
- Despite a torn left biceps, Holmes used his jab, one of the best in heavyweight history, to win four of the first five rounds.
- —Jack McCallum
- … they hold a dumbbell in each hand and do lateral raises with one arm while performing bicep curls with the other.
- —Chloe Busch
- The biceps brachii, the rounded muscles that are easily identifiable, consists of a long and short head.
- —Eric Sternlicht
: the large flexor muscle of the back of the upper leg
- Doctors had found a malignant tumor in her right biceps femoris muscle. … She had surgery at the end of February to have the growth and part of her hamstring muscle removed …
- —Kelyn Soong