des ‧ ig ‧ na ‧ tion /ˌdezɪɡˈneɪʃ ə n/ BrE AmE noun formal
1 . [uncountable] the act of choosing someone or something for a particular purpose, or of giving them a particular description
designation as
the designation of Stansted as the third London airport
2 . [countable] a name or title:
Her official designation is Systems Manager.