The Collaborative International Dictionary of English v.0.48:

Macrouridae \Macrouridae\, prop. n., (Zool.)
   A natural family of fish including the grenadiers.

   Syn: Macruridae.
        [WordNet 1.6]

WordNet (r) 3.0 (2006):

Macrouridae
    n 1: grenadiers [syn: Macrouridae, family Macrouridae,
         Macruridae, family Macruridae]