10 letters · 17 points in Scrabble
adjective lacking a head or a clearly defined head
originFrom French acéphale, from Ancient Greek ἀκέφαλος (aképhalos, “headless”), from ἀ- (a-, “not”) + κεφαλή (kephalḗ, “head”). By surface analysis, a- + -cephalous.
Etymology from Wiktionary, CC BY-SA 3.0