designator

designate +‎ -or

designator (plural designators)

1. A person who, or term that, designates.
2. (historical, Roman antiquity) An officer who assigned to each his rank and place in public shows and ceremonies.

dēsignō +‎ -tor

• (Classical) IPA^(key): /deː.siɡˈnaː.tor/, [d̪eːs̠ɪŋˈnäːt̪ɔr]
• (modern Italianate Ecclesiastical) IPA^(key): /de.siɲˈɲa.tor/, [d̪es̬iɲˈɲäːt̪or]

dēsignātor m (genitive dēsignātōris); third declension

1. regulator
2. usher (at the stage theater)
3. master of ceremonies (at a funeral)
4. umpire (at public spectacles)

Third-declension noun.

dēsignātor

1. second/third-person singular future passive imperative of dēsignō

• “designator”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “designator”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• designator in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• “designator”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• “designator”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin