From The Collaborative International Dictionary of English v.0.48 [gcide]:
Wintry \Win"try\, a. [AS. wintrig.]
Suitable to winter; resembling winter, or what belongs to
winter; brumal; hyemal; cold; stormy; wintery.
[1913 Webster]
Touch our chilled hearts with vernal smile,
Our wintry course do thou beguile. --Keble.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
wintry
adj 1: characteristic of or occurring in winter; "suffered
severe wintry weather"; "brown wintry grasses" [syn:
wintry, wintery] [ant: autumnal, summery,
vernal]
2: devoid of warmth and cordiality; expressive of unfriendliness
or disdain; "a frigid greeting"; "got a frosty reception"; "a
frozen look on their faces"; "a glacial handshake"; "icy
stare"; "wintry smile" [syn: frigid, frosty, frozen,
glacial, icy, wintry]