Meaning of FEEDER in English

■ noun

1》 a person or animal that eats a particular food or in a particular manner.

2》 a container filled with food for birds or mammals.

↘ Brit. a child's feeding bottle.

3》 a thing that supplies something.

↘a road or rail route linking outlying districts with a main system.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.