What is another word for knucklebone?
Pronunciation: [nˈʌklɪbˌə͡ʊn] (IPA) 
Knucklebone refers to a small bone found in the joint between the fingers and the hand. It is also known as the sesamoid bone. There are various words that can be used as synonyms for this term, including knuckle, phalanx, metacarpal, and finger bone. Some of the other synonymous terms for knucklebone include hand bone, finger joint, and finger knuckle. These terms describe the same bone structure in different ways and are often used interchangeably.
