word meaning – Does “vehicle” usually include airplanes, aircraft or spacecraft?

Does “vehicle” usually include airplanes, aircrafts or spacecrafts? Or it mainly refers to wheeled vehicles, boats and ships?

The words mainly and usually are rather troublesome words in your question.

The meaning of vehicle – much like the meaning of any word with multiple definitions or interpretations – depends on the context. If I said, “It costs a lot to register a vehicle in Kentucky,” chances are I’m only referring to cars, pickup trucks, and motorcycles. However, if I work as a logistician for a major company, and I say, “We need to determine the best vehicles for getting these widgets from factory to market,” chances are I am referring ships, trains, large trucks, or aircraft. And if I talk about needing a vehicle to put a satellite into orbit, I don’t mean any of those things.

If I heard the word with no other context, as in a word

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Origin and meaning of bicycle by Online Etymology Dictionary

1868, from bi- “two” + a Latinized form of Greek kyklos “circle, wheel” (see cycle (n.)), on the pattern of tricycle; both the word and the vehicle superseding earlier velocipede.

The English word is said in some dictionaries to be probably not from French, but the 1868 citations are in a French context: The velocipedes, about which the Parisians have run mad at the present moment, are of various kinds. … The two wheel velocipedes, the bicycles as they are styled, are intended for the male sex only, and are by far the swiftest machines. [“Supplement to the Courant,” Hartford, Conn., Dec. 16, 1868]. Pierre Lallement, employee of a French carriage works, improved Macmillan’s 1839 pedal velocipede in 1865 and took the invention to America. See also pennyfarthing. As a verb, from 1869.

The velocipede of 1869 was worked by treadles operating cranks on the axle oi the front wheel.

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