oratoris
oratoris is a Latin form of orator, meaning “speaker, orator; envoy, spokesman”. It is the genitive singular masculine noun.
Found 209 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 4.27.3: Hunc illi e navi egressum, cum ad eos oratoris modo Caesaris mandata deferret, comprehenderant atque in vincula coniecerant;
All forms of orator (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.