What is Vendee?

Legal Definition
A buyer, especially of real property.
Illustrative caselaw
See, e.g. Warner v. Kaplan, 892 N.Y.S.2d 311 (N.Y. App. Div. 2009).
See also
Legal Definition
A purchaser or buyer; one to whom anything is sold. Generally used of the transferee of real property, one who acquires chatteis by sale being called a "buyer."
-- Black's Law Dictionary
Legal Definition
Contr. A purchaser; (q. v.) a buyer.
-- Bouviers Law Dictionary
Legal Definition
A purchaser of property.
-- Ballentine's Law Dictionary