Search Result for "saprobe": 
Wordnet 3.0

NOUN (1)

1. an organism that lives in and derives its nourishment from organic matter in stagnant or foul water; 



WordNet (r) 3.0 (2006):

saprobe
    n 1: an organism that lives in and derives its nourishment from
         organic matter in stagnant or foul water