furrow

US /ˈfɝː.oʊ/
UK /ˈfɝː.oʊ/
"furrow" picture
1.

a trench in the earth made by a plow, especially for planting seeds or irrigation

:
The farmer plowed deep furrows in the field.
Water flowed along the irrigation furrows.
2.

a long, narrow indentation in any surface

:
The old wooden table had many deep furrows.
Lines of worry formed furrows on his brow.
1.

make a rut, groove, or trail in (the ground or the surface of something)

:
The tractor furrowed the field for planting.
His brow furrowed in concentration.