Search Result for "infusorian": 
Wordnet 3.0

NOUN (1)

1. any member of the subclass Infusoria; 



The Collaborative International Dictionary of English v.0.48:

Infusorian \In`fu*so"ri*an\, n. (Zool.)
   One of the Infusoria.
   [1913 Webster]


WordNet (r) 3.0 (2006):

infusorian
    n 1: any member of the subclass Infusoria