madderwort

== English == === Etymology === From madder +‎ wort. === Noun === madderwort (plural madderworts) Rubia tinctorum (common madder). Any plant of the same family (Rubiaceae) as the madder. [from c. 1750 to c. 1950] === References === “madderwort”, in OneLook Dictionary Search. madderwort on Wikipedia.Wikipedia