#1 feeder n. an animal being fattened or suitable for fattening. wn
#2 feeder n. [eater] someone who consumes food for nourishment. wn
#3 feeder n. [tributary, confluent, affluent] a branch that flows into the main stream. wn
#4 feeder n. [self-feeder] a machine that automatically provides a supply of some material; "the feeder discharged feed into a trough for the livestock". wn
#5 feeder n. [bird feeder, birdfeeder] an outdoor device that supplies food for wild birds. wn
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