ETYM French mélilot, Latin melilotus, from Greek, a kind of clover containing honey; meli honey + lotos lotus.
Any species of Melilotus, a genus of leguminous herbs having a vanillalike odor; sweet clover; hart's clover. The blue melilot (Melilotus crulea) is used in Switzerland to give color and flavor to sapsago cheese.

Any of a genus (Melilotus) of Old World legumes that have trifoliolate leaves and are widely grown for soil improvement or hay