Pronunciation: (lōm), [key]
1. a rich, friable soil containing a relatively equal mixture of sand and silt and a somewhat smaller proportion of clay.
2. a mixture of clay, sand, straw, etc., used in making molds for founding and in plastering walls, stopping holes, etc.
3. earth or soil.
4. Obs.clay or clayey earth.
to cover or stop with loam.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.