| white sweet clover | (n) biennial plant; valuable honey plant, Syn. white melilot, Melilotus alba |
| yellow sweet clover | (n) biennial yellow-flowered Eurasian plant having aromatic leaves used as carminative or flavoring agent; widely cultivated especially as green manure or cover crop, Syn. Melilotus officinalis |
| melilotus | (n) erect annual or biennial plant grown extensively especially for hay and soil improvement, Syn. melilot, sweet clover |