furrow

Concise Oxford English Dictionary © 2008 Oxford University Press:
furrow/ˈfʌrəʊ/

▶noun

• 1 a long, narrow trench made in the ground by a plough.

• 2 a rut or groove.

• 3 a deep wrinkle on a person's face.

▶verb

• 1 make a furrow in.

• 2 mark or be marked with wrinkles.

– derivatives
furrowy adjective.

– origin OE furh, of Gmc origin.