-The vote given by the chairman or president of a deliberative assembly, when the suffrages of the meeting are equal. Thus, in the house of commons, (or the house of representatives,) the speaker declares the numbers after a division, but is not required to record his own vote unless the numbers are even, and then he must vote one way or the other, in order that the house may come to some decision upon the question which has been put from the chair. It is • difficult and delicate office to give an M probably occasioned by the practice of election committees, which was, however, confined to them, and only existed under the provisions of acts of parliament.-- Wharton. In the United States the president of the senate has no vote unless there is a tie, in which case he casts a casting vote. CASTING VOTE, (in statute relative to religious corporations). 48 Barb. (N. Y.) 603. CASTLE-YARD, or CASTLEWARD.-A form of tenure by knight-service, the duty of persons holding land by such a tenure being "to ward a tower of the castle of their lord, or a door or some other place of the castle, upon reasonable warning, when their lords hear that the enemies will come, or are come in England." Litt. & 111; Co. Litt. 82 b. See KNIGHT'S SERVICE; TENURE.