Meaning ofonesiein English

Noun

1. infant or child's one-piece garment (over diaper)
2. one-piece adult loungewear (jumpsuit)
3. fashionable streetwear (one-piece, casual)
   The trendy onesie is popular among young people.
4. general term for one-piece attire (various ages)
   The baby wore a cute onesie to the party.