I. fur ‧ row 1 /ˈfʌrəʊ $ ˈfɜːroʊ/ BrE AmE noun [countable]
[ Language: Old English ; Origin: furh ]
1 . a deep line or fold in the skin of someone’s face, especially on the forehead ⇨ wrinkle :
A deep furrow appeared between his brows.
2 . a wide deep line made in the surface of something, especially the ground:
the regular furrows of a plowed field
The river cuts a long straight furrow between the hills.
II. furrow 2 BrE AmE verb
1 . [intransitive and transitive] to make the skin on your face form deep lines or folds, especially because you are worried or thinking hard:
Quin’s brow furrowed in concentration.
2 . [transitive] to make a wide deep line in the surface of something
—furrowed adjective :
a furrowed brow