feeder
名词 feeder:
an animal being fattened or suitable for fattening
someone who consumes food for nourishment
同义词:eater
a branch that flows into the main stream
同义词:tributary, confluent, affluent
a machine that automatically provides a supply of some material
同义词:self-feeder
an outdoor device that supplies food for wild birds
同义词:bird feeder, birdfeeder
an animal that feeds on a particular source of food