capitate
Concise Oxford English Dictionary © 2008 Oxford University Press:
capitate /ˈkapɪteɪt/
▶adjective Botany & Zoology ending in a distinct compact head. ▶noun (also capitate bone) Anatomy the largest of the carpal bones, situated at the base of the palm of the hand.
– origin C17: from L. capitatus, from caput, capit-, ‘head’.
'capitate' also found in these Oxford entries:

