Feeder

n.	1.	One who, or that which, gives food or supplies nourishment; steward. A couple of friends, his chaplain and feeder. - Goldsmith.
	2.	One who furnishes incentives; an encourager.
	3.	One who eats or feeds; specifically, an animal to be fed or fattened. With eager feeding, food doth choke the feeder. - Shak.
	4.	One who fattens cattle for slaughter.
	5.	(Hydraulic Engin.) A stream that flows into another body of water; a tributary; specifically (Hydraulic Engin.), a water course which supplies a canal or reservoir by gravitation or natural flow.
	6.	A branch railroad, stage line, air route, or the like; a side line which increases the business of the main line.
	7.	(Mining) A small lateral lode falling into the main lode or mineral vein.
	8.	(Mach.) An auxiliary part of a machine which supplies or leads along the material operated upon.
	9.	(Steam Engine) A device for supplying steam boilers with water as needed.

Noun	1.	feeder - an animal being fattened or suitable for fattening
	2.	feeder - someone who consumes food for nourishment Synonyms: eater
	3.	feeder - a branch that flows into the main stream Synonyms: tributary, affluent
	4.	feeder - a machine that automatically provides a supply of some material; "the feeder discharged feed into a trough for the livestock" Synonyms: self-feeder

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