noun

You can say something like, "A furrow is a long, thin line that is lower than the surface around it. Like the lines on your forehead when you frown, or the lines in a field that are made by a plow."

Example

1. The farmer furrowed the field with his tractor.
2. The old woman's face was furrowed with wrinkles. The cat.
3. The ship left a furrow in the water as it sailed through the sea.