Disrationatio
A New Law Dictionary and Glossary · Alexander M. Burrill · 1850
A New Law Dictionary and Glossary
Lat.
In old English law
Deraignment or proof; the making good a claim or charge. Et quod ita fui inde dotata et seysita, habeo sufficientem disrationationem et probationem; and that I was so endowed and seised thereof, I have sufficient deraignment and proof. Bract. fol.
313 b, 297.