Forearm/ˈfɔːrɑːrm/ Definition 1 of 2Pro Tip 1/3Physical Description Use 'forearm' to describe someone's arm part for physical features or injuries. She had bruises on her forearm. Pro Tip 2/3Not for Grip 'Forearm' refers to the arm section, not the hand or its grip strength. He wore a guard to protect his forearm, not his hand. Pro Tip 3/3Visible Tattoos When mentioning tattoos, 'forearm' implies they are more visible than on other body parts. Her floral tattoo wrapped around her forearm.