Search Result for "topsoil": 
Wordnet 3.0

NOUN (1)

1. the layer of soil on the surface;
[syn: topsoil, surface soil]



The Collaborative International Dictionary of English v.0.48:

Topsoil \Top"soil`\, n.
   The upper layer of soil; surface soil.
   [1913 Webster]


WordNet (r) 3.0 (2006):

topsoil
    n 1: the layer of soil on the surface [syn: topsoil, surface
         soil]