from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A dry, indehiscent, winged, often one-seeded fruit, as of the ash, elm, or maple. Also called key fruit.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The winged indehiscent fruit of trees such as the ash, elm or maple
Latin, elm seed.(American Heritage® Dictionary of the English Language, Fourth Edition)