Tenth

a. [From ten; O. Eng. tethe, A-S. teōdha.]

1. Next in order after the ninth.
2. Constituting or being one of ten equal parts into which any thing is divided.

n. 1. The quotient of a unit divided by ten; one of ten equal parts.

2. The tenth part of any thing, as of annual produce or increase; tithe.
3. (Mus.) The interval between any tone and the tone represented on the tenth degree of the staff above it, as between one of the scale and three of the octave above.
4. (Eng. Law.) (a.) A temporary aid issuing out of personal property, and granted to the king by Parliament; formerly, the real tenth part of all the movables belonging to the subject. (b.) (Eccl. Law.) The tenth part of the annual profit of every living in the kingdom, formerly paid to the pope, but afterward transferred to the crown, forming a part of the fund called Queen Anne’s Bounty.

Burrill.