A Tally

1. Abbreviation of tally stick.
2. (by extension) One of two books, sheets of paper, etc., on which corresponding accounts were kept.
3. (by extension) Any account or score kept by notches or marks, whether on wood or paper, or in a book, especially one kept in duplicate.
4. One thing made to suit another; a match; a mate.
5. A notch, mark, or score made on or in a tally; as, to make or earn a score or tally in a game.
6. A tally shop.
7. A ribbon on a sailor's cap bearing the name of the ship or the (part of) the navy to which they belong.
8. (informal, regional, dated) A state of cohabitation, living with another individual in an intimate relationship outside of marriage.