I.the swallow, Od., etc.:— the twittering of the swallow was proverbially used of barbarous tongues by the Greeks, Aesch.; χελιδόνων μουσεῖα (v. μουσεῖον): proverbs also, μία χελιδὼν ἔαρ οὐ ποιεῖ Arist.
II.the frog in a horse's foot, so called from its being forked like the swallow's tail, Xen.