The definition of bravo is something you say or shout when applauding or otherwise commending someone for a job well-done.
An example of a time when you would say bravo is after a splendid performance.
bravo definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
well done; excellent: used to praise a performer
Origin: It: see brave,
noun pl. bravos
a shout of “bravo”
bravo definition by American Heritage Dictionary
Used to express approval, especially of a performance. noun pl. bra·vos
A shout or cry of “bravo.” verb bra·voed
, bra·voes verb, transitive
To express approval of by shouting “bravo.” verb, intransitive
To shout “bravo.”
Origin: Italian; see brave.
noun pl. bra·voes
A villain, especially a hired killer.
Origin: Italian, from bravo, wild, excellent; see brave.