noun
a wrist bone that articulates with the pisiform and hamate and lunate bones
• Syn: ↑triquetral, ↑triquetral bone, ↑os triquetrum, ↑cuneiform bone
• Hypernyms: ↑carpal bone, ↑carpal, ↑wrist bone
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noun : the third bone in the proximal row of the carpus — called also triquetrum
Useful english dictionary. 2012.