de·cap·i·tate (dĭ-kāp'ĭ-tāt') tr.v.
de·cap·i·tat·ed, de·cap·i·tat·ing, de·cap·i·tates To cut off the head of; behead.
[Late Latin dēcapitāre, dēcapitāt- : Latin dē-, de- + Latin caput, capit-, head; see kaput- in Indo-European roots.] de·cap'i·ta'tion n., de·cap'i·ta'tor n.