Related Clues:

• An arm bone
• It's parallel to a radius
• Bone under a bracelet
• Bone that means 'elbow' in Latin
• Wrist-elbow tie
• Elbow-joint bone
• Bone in an arm
• Bone of the forearm
• It's hinged with the humerus
• The R in pi*R^2
• Bone in forearm
• Skeletal part
• Rotator-cuff neighbor
• Figure that's squared in a common formula
• A human arm bone