χελιδονίας
From LSJ
English (LSJ)
ου, ὁ, a kind of
A tunny-fish, Diph.Siph. ap. Ath.8.356f. 2 χ. ἰχθῦς the more northerly fish of the constellation Pisces, Theon ad Arat.242. II the spring wind, because the swallows come with it, Thphr.HP7.15.1, Plin.HN2.122.