WordNet sense 1 (food for domestic livestock):

provender

WordNet sense 2 (move along, of liquids):

course, flow, run

WordNet sense 3 (profit from in an exploitatory manner):

prey

WordNet sense 4 (gratify):

feast

WordNet sense 5 (take in food; used of animals only):

eat

WordNet sense 6 (give food to):

give

WordNet sense 7 (provide with fertilizers or add nutrients to):

fertilize, fertilise

WordNet sense 8 (introduce continuously):

feed in