22. The point or line from which a start is made; a starting place or a goal in various games.
To their appointed base they went.
Dryden.
23. (Surv.) A line in a survey which, being accurately determined in length and position, serves as the origin from which to compute the distances and positions of any points or objects connected with it by a system of triangles. Lyman.
24. A rustic play; -- called also prisoner's base, prison base, or bars. "To run the country base." Shak.