Meaning of “flannel” - Learner’s Dictionary

flannel

noun uk us /ˈflænəl/
CLOTHES MATERIAL [ U ]

soft, warm cloth for making clothes:

flannel pyjamas
WASHING CLOTH [ C ] UK (US washcloth)

a small cloth that you use to wash your face and body

(Definition of “flannel” from the Cambridge Learner’s Dictionary © Cambridge University Press)