The Collaborative International Dictionary
Decapitate \De*cap"i*tate\, v. t. [imp. & p. p. Decapitated; p. pr. & vb. n. Decapitating.] [LL. decapitatus, p. p. of decapitare; L. de- + caput head. See Chief.]
To cut off the head of; to behead.
To remove summarily from office. [Colloq. U. S.]
Wiktionary
vb. (present participle of decapitate English)
Usage examples of "decapitating".
They reached the bottom of the stairs, and Chris, almost decapitating himself on a sharp metal outcropping that intruded into the space at head height, ducked and signaled M.
The dogs howled and charged but the warrior moved swiftly in front of the boy, his sword sweeping out and down, half decapitating the first hound and skewering the heart of the second.
Valsavis disposed of his two antagonists with unbelievable speed, executing a circular parry and disarming one man, then, in one motion, pirouetting aside from the second man's lunge and making a sweeping stroke with his sword, cleanly decapitating the marauder.
One came almost within reach, and Valsavis swung his sword again, decapitating the corpse.
The Kindred book of doctrine had always been big on assassinations and decapitating strikes.
More than anything, this looked like a decapitating strike—but why weren’t they shooting?