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Webster 1913 Edition

Adj.

[L.

canescens

, p. pr. of

canescere

, v. inchoative of

canere

to be white.]

Growing white, or assuming a color approaching to white.

Adj.

Growing white or hoary.

canescent ‎(comparative more canescent, superlative most canescent)

Turning white or gray.
- 1982, TC Boyle, Water Music, Penguin 2006, p. 434:
  An aureole of canescent hair fanned out round his head, and his jaws collapsed on toothless gums […].
(botany) Covered with short white or gray hairs; hoary.

cānēscent