Source : Webster's Revised Unabridged Dictionary (1913)

Gurnard \Gur"nard\, Gurnet \Gur"net\n. [OF. gornal, gournal,
   gornart, perh. akin to F. grogner to grunt; cf. Ir. guirnead
   gurnard.] (Zo["o]l.)
   One ofseveral European marine fishes, of the genus Trigla and
   allied genera, having a large and spiny head, with mailed
   cheeks. Some of the species are highly esteemed for food. The
   name is sometimes applied to the American sea robins.
   [Written also {gournet}.]

   {Plyling gurnard}. See under {Flying}.

Source : WordNet®

gurnard
     n : bottom-dwelling coastal fishes with spiny armored heads and
         fingerlike pectoral fins used for crawling along the sea
         bottom

gurnard
     See {gurnar}