Definition of valley in English:

valley

Syllabification: val·ley
Pronunciation: /ˈvalē
 
/

noun (plural valleys)

  • 2 Architecture An internal angle formed by the intersecting planes of a roof, or by the slope of a roof and a wall.
    More example sentences
    • Check flashings at valleys, chimneys, dormers, vent pipes, and other roofing protrusions.
    • Roof outlets, valleys, gutters and overflows need to be inspected and cleaned twice each year, once in the autumn and once in the spring.
    • One of the valleys in the church roof needs repairs immediately.

Origin

Middle English: from Old French valee, based on Latin vallis, valles; compare with vale1.

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