lūtum, i, n.,
I a plant used in dyeing yellow, yellow-weed, dyer's-weed, weld : jam croceo mutabit vellera luto, Verg. E. 4, 44; Plin. 33, 5, 26, § 87; Vitr. 7, 14.—
II Transf., a yellow color, yellow , Verg. Cir. 316: nimius luto corpora tingit amor, Tib. 1, 9 (8), 52 Heyne ad loc.