Dictionary entry

ἶρις

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἶρις, -ιδος, ἡ,

[in LXX: Ex 30:24 (קִדָּה)*, (קֶשֶׁת, Ge 9:13, Ez 1:28, is rendered by τόξον);]

1. Iris, the messenger of the gods.

2. a rainbow or halo: Re 4:3 10:1.

3. The plant Iris (cf. Ex 30:24).†