from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See sycamore.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A tree, the buttonwood.

from the GNU version of the Collaborative International Dictionary of English

  • n. See buttonwood.

from The Century Dictionary and Cyclopedia

  • n. The plane-tree of the United States, Platanus occidentalis: so called from its small, round, pendulous fruits or nutlets. Also incorrectly called sycamore.


From its button-shaped fruit.
(American Heritage® Dictionary of the English Language, Fourth Edition)
button +‎ ball? (Wiktionary)



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