furrow

FURROW noun

[ C ] uk/ˈfʌrəʊ/ us furrow noun [C]
(FACE)

a deep line on someone's face, especially above their eyes

глубокая морщина

furrow verb uk/ˈfʌrəʊ/ us   furrow your brow
to make deep lines appear on your face above your eyes

хмуриться, сдвигать брови
He furrow ed his brow as he struggled to think of a solution.