A spitball (moistened piece of paper). / A wad of spittle that has been spat by someone.

A state-enforced limit on how much an individual can earn.

(US, slang, archaic) A handgun, especially a revolver.

(slang) to become deranged

(obsolete) A large open vehicle, drawn by horses, used to carry loads of hay; a haywagon.

(religion) An argument for theism (and specifically Christianity, according to the writer) maintaining that belief in the divine ensures happiness in this life and offers the possibility of eternal happiness (should God or divine beings exist), whereas atheism, even if it brings happiness in this life, offers no hope of eternal happiness and carries the risk of eternal damnation.

A wagon used to carry hay. / An open cart filled with hay used for tourist hay rides.

present participle of wag

The motion of something that is wagged.

A heavy, freight-hauling cart with a canvas cover drawn by mules, oxen or horses. It should not be confused with the lighter prairie schooner that was used extensively during the westward expansion of the United States in the 18th and 19th centuries https://en.wikipedia.org/wiki/Conestoga_wagon.