Longman Dictionary of Contemporary English homepage

Date: 1300-1400
Language: Old French
Origin: diapre 'fine cloth', from Medieval Greek diapras 'pure white'

diaper

 noun
     
Related topics: Babies
di‧a‧per S3 [countable]
DHB American English a piece of soft cloth or soft paper that is put between a baby's legs and fastened around its waist to hold liquid and solid waste [= nappy British English]
I changed her diaper.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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