Designatio Personae
Defined in 2 dictionaries — Cyclopedic (1922), Ballentine's (1916)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The description contained in a contract of the persons who are parties thereto. DESIGNATIO UNIUS EST EXCLUSIO alterlus, et expressum facit cessare taciturn. makes that which is implied to cease. Co. Litt. 210.
Ballentine's Law Dictionary
James A. Ballentine · 1916
A description of the person.