Source : Webster's Revised Unabridged Dictionary (1913)

Ostent \Os"tent\, n. [L. ostentus, ostentum, fr. ostendere (p.
   p. ostensus and ostentus) to show. See {Ostensible}.]
   1. Appearance; air; mien. --Shak.

   2. Manifestation; token; portent. --Dryden.

            We asked of God that some ostent might clear Our
            cloudy business, who gave us sign.    --Chapman.