Употребляется как термин в радиотехнике и рыболовстве.
feederTechnical term in radio engineering and telecommunications: the line that connects an antenna to a transmitter or receiver. Фидер соединяет антенну с радиостанцией.
The feeder connects the antenna to the radio station.
feederAngling term: a feeder rig or tackle used for groundbaiting and catching fish. На реке он ловил карпа на фидер.
He was carp fishing with a feeder on the river.