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Webster's Dictionary (1865)

Plăt'y-pūs, n.

noun

n. [Gr. πλατύς, flat, broad, and πούς, foot.] (Zool.) The same as ORNITHORHYNCHUS. See ORNITHORHYNCHUS.

An engraved illustration of a platypus standing on the ground beside water.
Platypus (Ornithorhynchus paradoxus).