- 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.