DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   feeder
       n 1: an animal being fattened or suitable for fattening
       2: someone who consumes food for nourishment [syn: eater,
          feeder]
       3: a branch that flows into the main stream [syn: feeder,
          tributary, confluent, affluent] [ant: distributary]
       4: a machine that automatically provides a supply of some
          material; "the feeder discharged feed into a trough for the
          livestock" [syn: self-feeder, feeder]
       5: an outdoor device that supplies food for wild birds [syn:
          bird feeder, birdfeeder, feeder]
       6: an animal that feeds on a particular source of food; "a bark
          feeder"; "a mud feeder"