four-by-four

four-by-four (plural four-by-fours)

1. A four-wheel-drive vehicle with a four-speed transmission.
2. A four-wheel vehicle with four-wheel-drive.
3. (by extension) any four-wheel-drive vehicle.
4. A four-inch per four-inch gauze or similar material.
5. (British slang) A woman who has had four children by four different fathers.

• 4by4, 4 by 4, 4-by-4, fourbyfour, four by four, 4x4
• 4WD