(1):

(n.) Especially, the sum laid upon specific things, as upon polls, lands, houses, income, etc.; as, a land tax; a window tax; a tax on carriages, and the like.

(2):

(n.) A sum imposed or levied upon the members of a society to defray its expenses.

(3):

(n.) A task exacted from one who is under control; a contribution or service, the rendering of which is imposed upon a subject.

(4):

(n.) A disagreeable or burdensome duty or charge; as, a heavy tax on time or health.

(5):

(n.) Charge; censure.

(6):

(n.) A lesson to be learned; a task.

(7):

(n.) A charge or burden laid upon persons or property for the support of a government.

(8):

(n.) To charge; to accuse; also, to censure; - often followed by with, rarely by of before an indirect object; as, to tax a man with pride.

(9):

(n.) To subject to the payment of a tax or taxes; to impose a tax upon; to lay a burden upon; especially, to exact money from for the support of government.

(10):

(n.) To assess, fix, or determine judicially, the amount of; as, to tax the cost of an action in court.

(11):

(n.) A charge, especially a pecuniary burden which is imposed by authority.