Definition of "onesie" []

• A one-piece garment for an infant or small child, generally worn over a diaper. (noun)

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• "Nonetheless, the wide range onesie is still far in the lead as our best baby gift for Hayden."
• "I noticed that doing a Google search for the word onesie results in 1.9 million results, most of which have nothing to do with Gerber."
• "The removal of her dress also revealed what can only be described as a onesie designed by Spider-Man."