hamatePronunciation: /ˈheɪmət/ (also hamate bone)Definition of hamate noun Anatomy a carpal bone situated on the lower outside edge of the hand. It has a hook-shaped projection on the palmar side to which muscles of the little finger are attached. Origin: early 18th century: from Latin hamatus 'hooked', from hamus 'hook'hamate in other Oxford dictionaries Definition of hamate in the US English dictionary