caput

noun
ca·​put | \ ˈkäp-ˌu̇t How to pronounce caput (audio) , -ət; ˈkap-ət How to pronounce caput (audio) \
plural capita\ ˈkäp-​ə-​ˌtä How to pronounce capita (audio) , ˈkap-​ət-​ə How to pronounce capita (audio) \

Medical Definition of caput

1 : a knoblike protuberance (as of a bone or muscle)