The Collaborative International Dictionary of English v.0.48:

Exocetus \Ex`o*ce"tus\ (? or ?), Exocoetus \Ex`oc[oe]"tus\, n.
   [NL. exocetus, L. exocoetus a fish that sleeps on the shore,
   Gr. 'exw`koitos, lit., sleeping out; 'e`xw outside of +
   koi`th bed.] (Zo["o]l.)
   A genus of fishes, including the common flying fishes. See
   Flying fish.
   [1913 Webster]