Definitions

1. noun

The part of the forearm that contains the wrist and the five bones that make up the hand.

“The surgeon examined the patient’s metacarpus after the accident.”

2. anatomy

The part of the arm that connects the wrist to the hand, consisting of five long bones.

“The anatomy textbook described the metacarpus in detail.”

3. biology

A part of the appendage of a limb in arthropods, consisting of one or more segments that bear digits.

“The biologist studied the metacarpus of a spider.”