(US) Any assassin bug of the genus Arilus, large true bugs with wheel-shaped pronotal armor. They are predators upon soft-bodied insects.

A pinion with cylindrical staves, instead of teeth, inserted at their ends in two parallel disks or plates.

Alternative form of daisywheel

(physics) An equation that attempts to meld the ideas of quantum mechanics and general relativity. It describes the quantum version of the Hamiltonian constraint using metric variables.

Time moves forward; circumstances change; life continues.

Any of the main wheels of a device (such as an aircraft or wheelchair) that has multiple wheels.

Engine layout in motor vehicles where only the rear wheels are driven.

plural of wheel bug

An early car body style in the United States, derived from horse-drawn wagons, and typified by large-diameter slender wheels, frequently with solid rubber tires, to provide ample ground clearance on bumpy roads.

A wheel, usually with radial handles projecting from the rim, for traversing the saddle of a machine tool, especially an automatic machine tool, by hand.