a tenth; the tenth part of anything; specifically, the tenthpart of the increase arising from the profits of land and stock, allotted to the clergy for their support, as in england, or devoted to religious or charitable uses. almost all the tithes of england and wales are commuted by law into rent charges.-hence, a small part or proportion.-tenth.-to levy a tenth part on; to tax to the amount of a tenth; to pay tithes on.-tp pay tithes.