Source : Webster's Revised Unabridged Dictionary (1913)

Bravado \Bra*va"do\ (br[.a]*v[=a]"d[-o]), n., pl. {Bravadoes}
   (-d[-o]z). [Sp. bravada, bravata, boast, brag: cf. F.
   bravade. See {Brave}.]
   Boastful and threatening behavior; a boastful menace.

         In spite of our host's bravado.          --Irving.

Source : WordNet®

bravado
     n : a swaggering show of courage [syn: {bluster}]
     [also: {bravadoes} (pl)]