synentognathi

from The Century Dictionary.

• A suborder of teleocephalous or physoclistous fishes with the branchial arches well developed, the third and fourth superior pharyngeals much enlarged, and the inferior pharyngeals coössified. It includes the families Scomberesocidæ (or Exocœtidæ) and Belonidæ.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Zoöl.) An order of fishes, resembling the Physoclisti, without spines in the dorsal, anal, and ventral fins. It includes the true flying fishes.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun order of fishes having spineless fins; needlefishes; sauries; flying fishes; halfbeaks