adj. & v.
adj. 1 (of sound, colour, light) soft and rich, free from harshness. 2 (of character) softened or matured by age or experience. 3 genial, jovial. 4 partly intoxicated. 5 (of fruit) soft, sweet, and juicy. 6 (of wine) well-matured, smooth. 7 (of earth) rich, loamy.
v.tr. & intr. make or become mellow. mellowly adv. mellowness n.
[ ME, perh. f. attrib. use of OE melu, melw- MEAL(2) ]