top-dress definition by American Heritage Dictionary
transitive verb top-dressed, top-dress·ing, top-dress·es
- To cover (a road surface) with loose material that is not worked in.
- To cover (farmland) with fertilizer.
Variant of top-dressing
- material applied to a surface, as fertilizer on land or crops, or stones on a road
- the applying of such material
- top-dress transitive verb