n. [ F. mélilot, L. melilotus, fr. Gr. &unr_;, &unr_;, a kind of clover containing honey; me`li honey + &unr_; lotus. ] (Bot.) Any species of Melilotus, a genus of leguminous herbs having a vanillalike odor; sweet clover; hart's clover. The blue melilot (Melilotus caerulea) is used in Switzerland to give color and flavor to sapsago cheese. [ 1913 Webster ]

a. (Chem.) Of, pertaining to, or obtained from, sweet clover or melilot; specifically, designating an acid of the aromatic series, obtained from melilot as a white crystalline substance. [ 1913 Webster ]