brow - definition and synonyms

noun [countable] 

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  1. 1
    literary the part of your face above your eyes
    furrow/wrinkle/crease your brow (=look worried or as if you are concentrating):

    She worked in silence, her brow furrowed.

  2. 3

    the brow

    the highest part of a hill, where the ground starts to become flat