Dictionary

topsoil

noun top·soil \ˈtäp-ˌsi(-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
TOPSOIL Defined for Kids

topsoil

noun top·soil \ˈtäp-ˌsil\

Definition of TOPSOIL for Kids

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

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