\De*col"late\, v. t. [imp. & p. p. {Decollated}; p. pr. & vb. n. {Decollating}.] [L. decollatus, p. p. of decollare to behead; de- + collum neck.] To sever from the neck; to behead; to decapitate. The decollated head of St. John the Baptist. --Burke.