Furrow (noun)

1. A long, narrow trench made in the ground by a plow, especially for planting crops.
2. A line or crease on a surface, especially on the face, caused by age or stress.
3. A deep line in the forehead, indicating deep thought or worry.

Origin:

Old english fyrh, of germanic origin; related to dutch voor and german furche.

Examples:

1. The farmer plowed the field, leaving neat furrows for planting.
2. Age and stress had left deep furrows in her forehead.
3. She traced her fingers over the furrows in the old wooden table.
4. The ball rolled down the furrow, coming to rest at the bottom of the valley.
5. The furrows on his face deepened as he frowned in concentration.