Synentognathi

from WordNet (r) 3.0 (2006)

Synentognathi
    n 1: order of fishes having spineless fins; needlefishes;
         sauries; flying fishes; halfbeaks [syn: {Synentognathi},
         {order Synentognathi}]

from The Collaborative International Dictionary of English v.0.48

Synentognathi \Syn`en*tog"na*thi\, n. pl. [NL., fr. Gr. sy`n
   with + 'ento`s within + gna`qos jaw.] (Zool.)
   An order of fishes, resembling the Physoclisti, without
   spines in the dorsal, anal, and ventral fins. It includes the
   true flying fishes.
   [1913 Webster]