1) English legal terminology 1) Land law 
A cessavit was a writ in English law, originating in Stat. 6 Edw. I., given by statute to recover lands when the tenant has for two years failed to perform the conditions of his tenure. It was abolished in 3 and 4 Wm. IV. The forms and species of this writ were various; such as, cessavit de cantaria, cessavit de feodifirma, and cessavit per bienni...
• (n.) A writ given by statute to recover lands when the tenant has for two years failed to perform the conditions of his tenure.
Ces·sa'vit noun [ Latin , he has ceased.] [ O. Eng. Law] A writ given by statute to recover lands when the tenant has for two years failed to perform the conditions of his tenure.