Feeder may refer to:

Technology

* Feeder (livestock equipment) * Feeder (beekeeping), any of several devices used in apiculture to supplement or replace natural food sources * Feeder (casting), another name for a riser, a reservoir built into a metal casting mold to prevent cavities due to shrinkage * Feeder cells, are cells that line a Petri dish to provide cell contact for cells or tissues that grow on top of the feeder cells * Feeder, frontage road, or other small road eventually delivering traffic to a larger one * Feeder line (disambiguation), a peripheral route or branch from a main line or trunk line * Aquarium fish feeder, an electric or electronic device that is designed to feed aquarium fish at regular intervals * Automatic document feeder, in office equipment * Bird feeder * Bowl feeder, used to feed components automation applications * Bulk feeder * Leaky feeder, a communications system used in underground mining and other tunnel environments * Rotary feeder, a component in a bulk or specialty material handling system * Variable rate feeder, a piece of industrial control equipment used to deliver solid material at a known rate into some process * Vibrating feeder, an instrument that uses vibration to feed material to a process or machine * In video game terminology, a character who dies repeatedly

People

* Livestock feeder (person), a farmer rearing and fattening livestock

Vehicles

* Feeder bus, bus service that brings people from a rail station or transit hub to their final destination or vice versa *

Feeder ship Feeder vessels or feeder ships are medium-size freight Ship, ships. In general, a feeder means a seagoing vessel with an average capacity of . Feeders collect Intermodal container, shipping containers from different ports and transport them to cen ...

, a small-to-medium container ship which collects and distributes containers between ports and hubs

Electrical

* In

electric power distribution Electric power distribution is the final stage in the Power delivery, delivery of electricity. Electricity is carried from the Electric power transmission, transmission system to individual consumers. Distribution Electrical substation, substatio ...

, voltage power line transferring power from a distribution substation to the distribution transformers * An

electrical wiring Electrical wiring is an electrical installation of Electrical cable, cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure. Wiring is subject to safety standards for design and in ...

circuit in a building which carries power from a transformer or switch gear to a distribution panel * A circuit conductor between the power supply source and a final branch circuit over current device * Feeder link, a radio link from an earth station at a given location to a space station (up-link), or vice versa (down-link)

Entertainment

* Feeder (band), a Welsh rock group * ''Feeders'' (film), a 1996 American science fiction horror film * "The Feeder", story by Mildred Cram adapted to film as '' Behind the Make-Up'' in 1930

Organisms

* Feeder cattle * Feeder cell, a fibroblast, a type of cell used in human embryonic stem cell research * Feeder fish, certain types of inexpensive fish commonly fed as live prey to captive animals * Fluid feeder (disambiguation), organisms that feed on the fluid of other organisms * Deposit feeder, organisms that obtain nutrients by consuming dissolved organic matter * Live food

Other

* ''Feeder'', a software application for creating, editing and publishing RSS feeds on Mac OS X * Feeder (fetish), someone who gains sexual pleasure from helping another gain weight * Feeder Airlines * Feeder band, a band of squall-like winds and rain on the outside of a

tropical cyclone A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its locat ...

* Feeder barn * Feeder bluff, in geography * Feeder club, another name for a farm team * Feeder formula, in formula racing * Feeder fund, an investment fund which does almost all of its investments through a master fund via a master-feeder relationship * Feeder school