feeder

noun

1.
an animal being fattened or suitable for fattening
cade
2.
someone who consumes food for nourishment
eater
Derived from:
feed
3.
a branch that flows into the main stream
affluent confluent tributary
Derived from:
feed
4.
a machine that automatically provides a supply of some material
self-feeder
Derived from:
feed
5.
an outdoor device that supplies food for wild birds
bird feeder birdfeeder
6.
an animal that feeds on a particular source of food
webber