manure

To cultivate by manual labor; to till; hence, to develop by culture.

A woman that wandring in our coaſtes hath bought / A plot for price: where ſhe a citie ſet: / To whom we gaue the ſtrond for to manure.

Manure thyself then; to thyself be approved; / And with vain, outward things be no more moved.

To apply manure (as fertilizer or soil improver).

The farmer manured his fallow field.

My Lord of Hereford here whom you call King, / Is a foule traitour to proud Herefords King, / And if you crowne him let me propheſie, / The bloud of Engliſh ſhall manure the ground, / And future ages groane for this foule act, [...]

Animal excrement, especially that of common domestic farm animals and when used as fertilizer. Generally speaking, from cows, horses, sheep, pigs and chickens.

1985, Biff Tannen (portrayed by Thomas F. Wilson), Back to the Future. I hate manure!

1988, Dave Mustaine, "Hook in Mouth", Megadeth, So Far, So Good... So What!. M, they will cover your grave with manure

Any fertilizing substance, whether of animal origin or not; fertiliser.

vegetable manure [⁠= green manure⁠]

livestock manures

Rubbish; nonsense; bullshit.

“You know the police think I killed Marge, don't you?” “What a load of manure! I couldn't believe it when I read the paper.”