The Collaborative International Dictionary of English v.0.48:

Batrachoid \Bat"ra*choid\, a. [Batrachia + -oid.] (Zool.)
   Froglike. Specifically: Of or pertaining to the
   Batrachid[ae], a family of marine fishes, including the
   toadfish. Some have poisonous dorsal spines.
   [1913 Webster]