expositor
From LSJ
περὶ ἀλόγων γραμμῶν καὶ ναστῶν → on incommensurable lines and solids
Latin > English (Lewis & Short)
expŏsĭtor: ōris, m. expono,
I an expounder, interpreter: somniorum, Firm. Math. 13, 5: juris, Cassiod. Var. 9, 21.
Latin > French (Gaffiot 2016)
expŏsĭtŏr, ōris, m. (expono), celui qui expose [un enfant] : Ps. Quint. Decl. min. 338