brow /braʊ/ BrE AmE noun [countable]
[ Language: Old English ; Origin: bru ]
1 . literary the part of your face above your eyes and below your hair SYN forehead
mop/wipe your brow (=dry your brow with your hand or a cloth because you are hot or nervous)
your brow furrows/creases/wrinkles (=lines appear on your brow because you are thinking or are worried)
His brow furrowed. ‘I don’t understand,’ he said.
2 . an ↑ eyebrow
3 . the brow of a hill the top part of a slope or hill