The Collaborative International Dictionary of English v.0.48:

anabas \an"a*bas\ ([a^]n"[.a]*b[a^]s), n. [Gr. 'anaba`s, p. p.
   of bai`nein to advance.] (Zool.)
   A genus of fishes, remarkable for their power of living long
   out of water, and of making their way on land for
   considerable distances, and for climbing trees; the climbing
   fishes.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Anabas
    n 1: the type genus of the family Anabantidae; small fish that
         resemble perch [syn: Anabas, genus Anabas]