From Wiktionary, the free dictionary
From surrender + -ee.
surrenderee (plural surrenderees)
- (law) The person to whom a surrender is made.
1876, Herbert Newman Mozley, George Crispe Whiteley, A Concise Law Dictionary, page 435:The lord is compellable by mandamus to admit the surrenderee, that is, the person to whose use the surrender is made.