Definition of "crest" []

• A usually ornamental tuft, ridge, or similar projection on the head of a bird or other animal. (noun)
• An elevated, irregularly toothed ridge on the stigmas of certain flowers. (noun)
• A ridge or an appendage on a plant part, such as on a leaf or petal. (noun)
• A plume used as decoration on top of a helmet. (noun)
• A helmet. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "• In a story about the new coat of arms commissioned by Kate Middleton's family, the term crest was used as a synonym for coat of arms."
• "What happens can be likened to Sisyphus´ endlessly rolling his stone up the slope, but in this case finding that the slope beyond the crest is also an uphill one."
• "To the east his eyes, leaping the miles between range and range and between many ranges, brought up at last against the white-peaked Sierras — the main crest, where the backbone of the Western world reared itself against the sky."