DECAPITATE Meaning of DECAPITATE in English v.tr. 1 behead (esp. as a form of capital punishment). 2 cut the head or end from. decapitation n. decapitator n.[ LL decapitare (as DE-, caput -itis head) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012