(obsolete) A plank six feet long and one foot across.
verb
(Scotland, obsolete) To spend.
1841, William Alexander, An Abridgement of the Acts of the Parliaments of Scotland, 1424—1707, page 243,
[…] Reserving alwayes to the Sheriff or other Magistrates, and taker of the Thief, the expences waired out by them in taking and putting the Thief to execution.