noun
an undergarment with shirt and drawers in one piece
• Syn: ↑union suit
• Hypernyms: ↑undergarment, ↑unmentionable
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a close-fitting, usually knitted undergarment with legs reaching to the ankles, as a union suit, worn as protection against the cold.
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noun [noncount]
US : ↑long johns
Useful english dictionary. 2012.