The Collaborative International Dictionary of English v.0.48:

Hemiramphidae \Hemiramphidae\ prop. n.
   A natural family of fish including the halfbeaks, marine and
   freshwater fishes closely related to the flying fishes but
   not able to glide.

   Syn: family Hemiramphidae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Hemiramphidae
    n 1: halfbeaks; marine and freshwater fishes closely related to
         the flying fishes but not able to glide [syn:
         Hemiramphidae, family Hemiramphidae]