\ ˈtäp-ˌdres How to pronounce top-dress (audio) \
variants: or topdress or top dress
top-dressed or topdressed or top dressed; top-dressing or topdressing or top dressing; top-dresses or topdresses or top dresses

Definition of top-dress

transitive verb

: to apply material to (something, such as a road) without working it in The unit can also be used to spread crushed rock in layers up to 12 cm thick for top-dressing roads.The Mining Journal especially : to scatter or apply amendments (such as compost) over (soil or land) If you are a religious composter, you can just top-dress your beds and borders with the contents of your bin. — Craig Summers Black Topdressing the acidic soils with the organic matter raises the pH and allows for vegetation to return.— Gretchen Leslie

First Known Use of top-dress

1733, in the meaning defined above

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The first known use of top-dress was in 1733

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Cite this Entry

“Top-dress.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2020.

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