Second-person singular simple present form of feed. (verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "feedest" in a sentence
"Shepherd through the whole breadth of His Word, and not stay on one spot alone. makest ... to rest -- distinct from "feedest"; periods of rest are vouchsafed after labor (Isa 4: 6; 49: 10; Eze 34: 13-15)."
"But, as to us Thy children, Thou feedest us with another food."
"O Heaven's glorious mistress, elevated above the stars, thou feedest with thy sacred breast him who created thee."