bravo (Noun) — A murderer (especially one who kills a prominent political figure) who kills by a surprise attack and often is hired to do the deed. ex. "his bravos were hunted down like animals"
bravo (Noun) — A cry of approval as from an audience at the end of great performance.
bravo (Verb) — Applaud with shouts of 'bravo' or 'brava'.
bravo (Interjection) — Exclamation expressive of applause.