feeder

n.

  1. One who, or that which, gives food or supplies nourishment; steward.
  2. One who furnishes incentives; an encourager.
  3. One who eats or feeds; specifically, an animal to be fed or fattened.
  4. One who fattens cattle for slaughter.
  5. 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, or the like; a side line which increases the business of the main line.
  7. A small lateral lode falling into the main lode or mineral vein.
  8. A strong discharge of gas from a fissure; a blower.
  9. An auxiliary part of a machine which supplies or leads along the material operated upon.
  10. A device for supplying steam boilers with water as needed.