From The Collaborative International Dictionary of English v.0.48 :
Green \Green\, v. t. [imp. & p. p. Greened (great): p. pr. &
vb. n. Greening.]
To make green.
[1913 Webster]
Great spring before
Greened all the year. --Thomson.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 :
Greening \Green"ing\, n.
A greenish apple, of several varieties, among which the Rhode
Island greening is the best known for its fine-grained acid
flesh and its excellent keeping quality.
[1913 Webster]
From WordNet (r) 3.0 (2006) :
greening
n 1: the phenomenon of vitality and freshness being restored;
"the annual rejuvenation of the landscape" [syn:
rejuvenation, greening]