How do you spell Stere

Available Definitions:
1)  n. - A unit of cubic measure in the metric system, being a cubic meter, or kiloliter, and equal to 35.3 cubic feet, or nearly 1/ cubic yards.
2)  v. t. & i. - To stir.
3)  n. - A rudder. See 5th Steer.
4)  n. - Helmsman. See 6th Steer.