carpal bone car·pal·bone uncommon noun 1. any of the eight small bones of the wrist Synonymscarpal bonecarpalwrist bone Related words Broader terms bone Narrower terms scaphoid bonelunate bonetriquetralpisiformtrapeziumtrapezoidcapitatehamate Parts wrist WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
