- a potentially violent and destructive system of atmospheric circulation, characterized by a long, funnel-shaped cloud extending toward the ground and made visible by condensation and debris: although tornadoes have occurred on all continents except Antarctica, they are most common in the United States, especially in the area known as Tornado Alley.
- a violent squall or whirlwind of small extent, as one of those occurring during the summer on the west coast of Africa.
- a violent outburst, as of emotion or activity: The weekly tornado has arrived—in the form of my three grandchildren and their two dogs.
- a supersonic, two-seat, multipurpose military aircraft produced jointly by West Germany, Britain, and Italy and capable of flying in darkness and bad weather.
- a violent storm with winds whirling around a small area of extremely low pressure, usually characterized by a dark funnel-shaped cloud causing damage along its path
- a small but violent squall or whirlwind, such as those occurring on the West African coast
- any violently active or destructive person or thing
- a type of dinghy, designed to be crewed by two people
