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Webster 1913 Edition

Adj.

Having too rank or forward a growth for winter.

When either corn is

winter-proud

, or other plants put forth and bud too early.

Holland.

winter-proud ‎(comparative more winter-proud, superlative most winter-proud)

Having too rank or forward a growth for winter.
When either corn is winter-proud, or other plants put forth and bud too early. — Holland.