loam
n
1 rich soil consisting of a mixture of sand, clay, and decaying organic material
2 a paste of clay and sand used for making moulds in a foundry, plastering walls, etc.
vb
3 tr to cover, treat, or fill with loam
(Old English lam; related to Old Swedish lemo clay, Old High German leimo)
♦
loamy adj
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loaminess n