Maroon \Ma*roon"\, a. [F. marron chestnut-colored, fr. marron a large French chestnut, It. marrone; cf. LGr. ?. Cf. {Marron}.] Having the color called maroon. See 4th {Maroon}. {Maroon lake}, lake prepared from madder, and distinguished for its transparency and the depth and durability of its color.