ἰοειδής

A. like the flower ἴον 1, purple, in Hom. always of the sea, ἰοειδέα πόντον, whether calm or stormy, Il. 11.298, Od. 5.56, 11.107, Hes. Th. 844; κρήνη ib.3.

II. (ἰός B) poisonous, κέντρον Nic. Th. 886; λοιγός ib.243. [Nic. makes ι short, as conversely he has ιάσι from ἴον (q.v.).]