hyperodontidae

from WordNet (r) 3.0 (2006)

Hyperodontidae
    n 1: beaked whales; in some especially former classifications
         included in the family Physeteridae [syn: {Ziphiidae},
         {family Ziphiidae}, {Hyperodontidae}, {family
         Hyperodontidae}]

from The Collaborative International Dictionary of English v.0.48

Hyperodontidae \Hyperodontidae\ prop. n.
   A natural family of cetaceans comprising the beaked whales;
   in some, especially former, classifications it included in
   the family {Physeteridae}.

   Syn: Ziphiidae, family {Ziphiidae}, family {Hyperodontidae}.
        [WordNet 1.5]