μονο-πρόσωπος · mono-prosōpos — LSJ
with one face, adorned with one face
with one face, Artem. 2.37; adorned with one face, σκάφιον IG ΙΙ(4).1308 (Delos, ii B.C.).
2 with only one front
with only one front decorated, PSI 5.547.29 (iii B.C.).
II with one person, character, monologue, having reference to one person, having one person, in monologue form
with one person or character, μ. ποίησις monologue, D.L. 9.112: Gramm., μ. ἀντωνυμία a pronoun having reference to one person, opp. a possessive pronoun, Draco ap. A.D. Pron. 17.2; but also, a pronoun having one person, e.g. ἐκεῖνος (opp. ἵ, which has corresponding first and second persons), Hdn.Gr. 1.474, Sch.D.T. p.82 H. Adv. -πως in monologue form, Tz.ad Lyc. p.4 S., Proll.Hes. p.11 G.