Definition of: loam

(lōm) noun
1. A non–coherent mixture of sand and clay, containing organic matter.
2. A mixture of sand and clay, usually with straw or the like: used in foundry work to make molds, in plastering walls, plugging holes, etc.
3. Archaic Any soil; especially, fertile earth.
—v.t. To coat or fill with loam. [OE lām]
—loam′y adjective