impresa

from The Collaborative International Dictionary of English v.0.48

Impresa \Im*pre"sa\ ([-e]m*pr[=a]"s[.a]), n. [It. See {Emprise},
   and cf. {Impress}, n., 4.] (Her.)
   A device on a shield or seal, or used as a bookplate or the
   like. [Written also {imprese} and {impress}.]
   [1913 Webster]

         My impresa to your lordship; a swain
         Flying to a laurel for shelter.          --J. Webster.
   [1913 Webster]