Meanings
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1
noun
a covering of snow on the summit of a mountain or over a polar region
The mountain's snowcap shrank visibly during the unusually warm summer.
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2
noun
a small Central American hummingbird whose male has a conspicuous white crown
A male snowcap hovered briefly beside the flowering shrub.
Thesaurus
Etymology
A transparent compound of snow + cap. The landscape sense compares a summit's covering to a cap; the hummingbird was named for the adult male's bright white crown.