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1. A leaf of a fern.
2. A large compound leaf of a palm.
3. A leaflike thallus, as of a seaweed or lichen.
[Latin frōns, frond-, foliage.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.