madder

noun

1. any of a genus (Rubia) of plants of the madder family, with petals fused to form a funnel-shaped corolla; esp., a perennial vine (R. tinctorum) with panicles of small, yellow flowers
2. 1. the red root of this vine
   2. a red dye made from this
3. bright red; crimson

Etymology: ME mader < OE mædere, akin to ON mathra, Norw modra < IE base *modhro-, dye plant > Czech modrý, blue

adjective

designating a family (Rubiaceae, order Rubiales) of chiefly tropical, dicotyledonous herbs, shrubs, and trees, including bedstraw, bluet, coffee, and cinchona

adjective

mad