ὀνοπρόσωπος
From LSJ
χαῖρ', ὦ μέγ' ἀχρειόγελως ὅμιλε, ταῖς ἐπίβδαις, τῆς ἡμετέρας σοφίας κριτὴς ἄριστε πάντων → all hail, throng that laughs untimely on the day after the festival, best of all judges of our poetic skill
English (LSJ)
ον,
A ass-faced, Herm. Trism. in Rev.Phil.32.256, Sch.Luc.Sacr.14.
Greek (Liddell-Scott)
ὀνοπρόσωπος: -ον, ὁ ἔχων πρόσωπον ὄνου, Σχόλ. εἰς Λουκ. ἐν Zeitschr. f. d. Alterthumswiss 1834 n. 141.