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

  • Flat: platyhelminth.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • Forms words referring to things that are relatively flat but wide, like a plateau. (opposed to lepto- flat but "thin", like a ribbon)

from the GNU version of the Collaborative International Dictionary of English

  • A combining form from Gr. platy`s broad, wide, flat.


Greek platu-, from platus; see plat- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek πλατύς (platys, "flat") (Wiktionary)


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