'Mellowing' definitions:

Definition of 'mellowing'

From: WordNet
noun
The process of becoming mellow

Definition of 'Mellowing'

From: GCIDE
  • 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]

Definition of 'mellowing'

From: GCIDE
  • mellowing \mellowing\ adj. pr. p. of mellow. [WordNet 1.5]

Definition of 'mellowing'

From: GCIDE
  • 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]