Definition of flashing in English:


Line breaks: flash|ing
Pronunciation: /ˈflaʃɪŋ


  • A strip of metal used to stop water penetrating the junction of a roof with another surface: flashings around chimneys [mass noun]: the lead flashing on the roof
    More example sentences
    • The trapped water may accumulate to levels higher than the roof flashings, resulting in water leaks.
    • Site-built or factory-supplied flashings are used to seal the roofing around the curb.
    • It was also used for roof flashings and weights for scales.


late 18th century: from the earlier synonym flash (of unknown origin) + -ing1.

More definitions of flashing

Definition of flashing in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space