1. a long narrow trench made in the ground by a plow
2. a deep wrinkle or line, especially on the forehead

1. to make furrows in soil by plowing
2. to make deep lines or wrinkles in something

Examples

• The farmer plowed straight furrows across the field.
• Seeds were planted in neat furrows spaced two feet apart.
• Deep furrows appeared on his brow when he concentrated.
• Age had furrowed her face with worry lines.
• The tractor furrowed the earth in preparation for planting.
• She furrowed her brow in confusion.
• Rain had furrowed channels in the hillside.