Law. Obs. [Cowel says quasi certa moneta; but cert appears to be from certum letæ or pro certo letæ, as in the quotations.]
A common fine, paid yearly by the residents and tenants of a manor to the lord or the hundred, pro certo Letæ, for the certain keeping of the Leet.
160772. in Cowel, Interpr.
1670. Blount, Law Dict., s.v., The Mannor of Hook, in Dorsetshire, pays Cert-money to the Hundred of Egerdon. This in ancient Records is called Certum Letæ.
1708. in Kersey; in Bailey, etc.