/ ˈfiːdə(r); NAmE / noun , adjective
■ noun
1.
(used with an adjective or a noun) an animal or plant that eats a particular thing or eats in a particular way :
plankton feeders
2.
a part of a machine that supplies sth to another part of the machine
3.
a container filled with food for birds or animals
■ adjective [ only before noun ]
1.
( of roads, rivers, etc. ) leading to a bigger road, etc. :
a feeder road to the motorway / freeway
2.
supplying goods, services, etc. to a large organization
3.
( NAmE ) ( of animals on a farm ) kept to be killed and used for meat