I. ˈman-də-ˌtȯr-ē adjective
Date: 15th century
1. : containing or constituting a command : obligatory
the mandatory retirement age
2. : of, by, relating to, or holding a League of Nations mandate
• man·da·tor·i·ly -ˌtȯr-ə-lē adverb
II. noun
( plural -ries )
Date: 1661
: one given a mandate ; especially : a nation holding a mandate from the League of Nations