forearm
n.the part of your arm between your elbow and your wrist. It contains two bones and many muscles that help you move your hand.
n.the section of the upper limb between the elbow and the wrist. It contains the radius and ulna bones and is responsible for rotational movements of the hand.
“He has a small tattoo on his left forearm.”
“The tennis player wore a compression sleeve on her forearm to help manage a recurring muscle strain.”
“In anatomical terms, the forearm is divided into anterior and posterior compartments, each containing muscles that control the complex movements of the wrist and digits.”
“Police said the woman suffered a small laceration to her lip and an injury to her right forearm.”
From fore- + arm. Compare Dutch voorarm (“forearm”), Danish forarm (“forearm”), German Vorderarm (“forearm”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.