noun, noun which may take the genitive case particle 'no'
brow; glabella; area between the eyebrows
Refers to the central area between the eyebrows. Often used in expressions about frowning, wrinkles, or striking that spot.
彼は眉間にしわを寄せて考え込んだ。
He frowned (lit. wrinkled his brow) and thought deeply.
眉間を押すと頭痛が和らぐことがある。
Pressing the area between your eyebrows can sometimes relieve a headache.