Wordnet 3.0
NOUN (1)
1. 
 in some classifications nearly or exactly equivalent to the Perciformes which are considered a suborder; 
[syn: Percoidea, suborder Percoidea]
The Collaborative International Dictionary of English v.0.48:
Percoidea \Per*coi"de*a\ (p[~e]r*koi"d[-e]*[.a]), n. pl. [NL.]
   (Zool.)
   Same as Perciformes.
   [1913 Webster]
WordNet (r) 3.0 (2006):
Percoidea
    n 1: in some classifications nearly or exactly equivalent to the
         Perciformes which are considered a suborder [syn:
         Percoidea, suborder Percoidea]