Feeder
来自Big Physics
wiktionary
From Middle English feedere, federe, fedare, equivalent to feed + -er.
etymonline
feeder (n.)
early 15c., "one who feeds (an animal);" 1560s, "one who eats;" agent noun from feed (v.). As a mechanical apparatus for conveying materials, from 1660s. Of cattle and streams, by 1790s; of roads and railroads, by 1850s.
