Russian edit

 
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Etymology edit

Borrowed from French caleçon.

Pronunciation edit

Noun edit

кальсо́ны (kalʹsónyf inan pl (genitive кальсо́н, plural only)

  1. (plural only) long underwear, long johns, that is worn either under normal clothing in cold weather, or as a night dress.
    Synonym: подшта́нники (podštánniki)

Declension edit