Definition of slat noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//slæt//
    ; NAmE NAmE//slæt//
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  1. 1one of a series of thin flat pieces of wood, metal or plastic, used in furniture, fences, etc. a gate made of wooden slats the slats of the venetian blinds
  2. 2(specialist) a part of the wing of an aircraft, on the front of the wing, that can be moved up or down to control upward or downward movement
  3. Word Originlate Middle English (in the sense ‘roofing slate’): shortening of Old French esclat ‘splinter’, from esclater ‘to split’. The current sense dates from the mid 18th cent.
See the Oxford Advanced American Dictionary entry: slat