Mellow \Mel"low\, v. t. [imp. & p. p. {Mellowed}; p. pr. & vb. n. {Mellowing}.] To make mellow. --Shak. [1913 Webster] If the Weather prove frosty to mellow it [the ground], they do not plow it again till April. --Mortimer. [1913 Webster] The fervor of early feeling is tempered and mellowed by the ripeness of age. --J. C. Shairp. [1913 Webster]
mellowing \mellowing\ adj. pr. p. of {mellow}. [WordNet 1.5]
mellowing \mellowing\ n. The act or process of acquiring desirable qualities by being left undisturbed for some time. Syn: ripening, aging, ageing. [WordNet 1.5]