Black's Law Dictionary (2nd edition)dictionaries

Abatamentum

L. Lat in old Eng-lish law. An abatement of freehold; an en-try upon lands by way of Interposition be-tween the death of the ancestor and the en-try of the heir. Co. Litt. 277a; Yel. 151

Source: Black's Law Dictionary 2nd Ed (1910)