1. 4x4 {{abbreviation-old|en}}. (automotive) A four-wheel drive|four-wheel-drive vehicle with a four-speed transmission.
four-wheel drive
1. Noun. A four-wheeled vehicle with a drivetrain that allows all four wheels to receive torque from the engine simultaneously.
1. Noun. The act of transmitting, e.g. data or electric power.
2. Noun. The fact of being transmitted.
3. Noun. Something that is transmitted, such as a message, picture or a disease; the sending of such a thing.
4. Noun. (biology) The passage of a nerve impulse across synapses.
5. Noun. (automotive) An assembly of gears through which power is transmitted from the engine to the driveshaft in a motor car / automobile; a gearbox.
6. Noun. (legal) The right possessed by an heir or legatee of transmitting to his successor(s) any inheritance, legacy, right, or privilege, to which he is entitled, even if he should die without enjoying or exercising it.
2. 4x4 {{abbreviation-old|en}}. (automotive) A four-wheel vehicle with four-wheel-drive.
3. 4x4 {{abbreviation-old|en}}. (automotive) By extension, any four-wheel-drive vehicle.