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topsoil

noun top·soil \ˈtäp-ˌsȯi(-ə)l\

: the upper layer of soil in which plants have most of their roots

Full Definition of TOPSOIL

:  surface soil usually including the organic layer in which plants have most of their roots and which the farmer turns over in plowing
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First Known Use of TOPSOIL

1836

Rhymes with TOPSOIL

coal oil, corn oil, fish oil, fixed oil, free-soil, fuel oil, gas oil, night soil, palm oil, red soil, rose oil, shale oil, snake oil, sperm oil, subsoil, tung oil, white oil
TOPSOIL Defined for Kids

topsoil

noun top·soil \ˈtäp-ˌsȯil\

Definition of TOPSOIL for Kids

:  the rich upper layer of soil in which plants have most of their roots

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