ὄναρ
Etym. only used in nom. and acc. sg., the other cases being supplied by ὄνειρος
I. "a dream, vision in sleep", opp. to a waking vision (ὕπαρ), Od., Soph., etc.; ὥστε μηδ᾽ ὄναρ ἰδεῖν, to express profound sleep, Plat.
2. proverb. of anything fleeting or unreal, ὀλιγοχρόνιον ὥσπερ ὄναρ Theogn.; παρέρχεται ὡς ὄναρ ἥβη Theocr.
II. ὄναρ as adv., "in a dream, in sleep", ὄναρ ὑμᾶς καλῶ Aesch.; μηδ᾽ ἰδὼν ὄναρ not even "in my dreams", Eur., etc.; cf. ὕπαρ.