眉毛(まゆげ)

eyebrow hair

眉間(みけん)

space between the eyebrows

眉尻(まゆじり)

outer end of the eyebrow

眉頭(まゆがしら)

inner end of the eyebrow

眉唾(まゆつば)

dubious; questionable

眉墨(まゆずみ)

eyebrow pencil

眉(まゆ)をひそめる

to frown; to knit one's brows

眉(まゆ)を寄(よ)せる

to furrow one's brows

彼(かれ)は考(かんが)え込(こ)むと、眉間(みけん)にしわを寄(よ)せる癖(くせ)がある。

He has a habit of furrowing his brow when he gets lost in thought.

彼女(かのじょ)は眉毛(まゆげ)を整(ととの)えてから、出(で)かけた。

She tidied her eyebrows before going out.