Definition of "mise"

(law) The issue in a writ of right.  examples

(obsolete) Expense; cost; disbursement.

(obsolete) A tax or tallage; in Wales, an honorary gift of the people to a new king or prince of Wales; also, a tribute paid, in the county palatine of Chester, England, at the change of the owner of the earldom.

(gaming, slang) To make a risky move with no regard for the consequences when the alternative is certain defeat.