Quick Definition
εὐδία, ας, ἡ n.f. good weather
Strong's Definition
feminine from 2095 and the alternate of 2203 (as the god of the weather); a clear sky, i.e. fine weather
KJV Usage: fair weather
UBS Dictionary of the Greek New Testament
noun, f. | -ας | εὖ + Δία [Ζεύς]
14.1 · Physical Events and States · Weather
fair weather sunny, mild weather without strong winds Fair weather may be referred to by a number of different expressions, for example, ‘growing weather’ or ‘cloudless skies’ or ‘happy weather.’ The variety of expressions depends largely upon the type of activity associated with weather or the atmospheric conditions typical of what people regard as fair weather. In a number of languages fair weather is expressed as a negative of bad weather, that is to say, ‘a not stormy day’ or ‘a not windy day.’
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
εὐδία, -ας, ἡ, (fr. εὔδιος, -ov, and this fr. εὖ and Ζεύς, gen. Διός, Zeus, the ruler of the air and sky), a serene sky, fair weather: Mt. xvi. 2 [T br. WH reject the passage]. (Sir. iii. 15; Pind., Aeschyl., Hippocr., Xen., and 566.)
Mounce Concise Greek Dictionary
εὐδία eudia 1x
serenity of the heavens, a cloudless sky, fair or fine weather, Mt. 16:2*
Abbott-Smith Greek Lexicon
** εὐδία, -ας, ἡ
[in LXX: Si 3:15 * ;] (< εὔδιος, calm)
fair weather: Mt 16:2 (Rec., R, txt.).†
Moulton & Milligan — Vocabulary of the Greek NT
εὐδία. This originally poetical word (Thumb Déza/. p. 373), which is rejected in the best texts of Mt 16%, occurs on the Rosetta stone OG/S go! (B.c. 196) καὶ δαπάνας πολλὰς ὑπομεμένηκεν ἕνεκα τοῦ τὴν Αἴγυπτον εἰς εὐδίαν ἀγαγεῖν, where Dittenberger notes that it is used metaphorically ‘‘ de beato et tranquillo rerum publicarum statu”: cf Herodas 1. 28, where amongst the glories of Egypt are mentioned— δύναμις, εὐδ[ίη, δ]όξα, ‘power, peace, fame.” For the literal sense cf. P Oxy IX. 12237 (late iv/A.p.) ἡ (4 et) καὶ εὐδία ἐστὶ Kal Td πλοῖον avevéyKe οὐ δύναται ἐν TH σήμερον, “if it is calm weather and he cannot bring back the boat to-day’ (Ed.).
Liddell-Scott-Jones — Greek-English Lexicon
εὐδία (eudia) — fair weather. εὐδία, Ionic dialect -ιη, ἡ, fair weather, εὐδία ἐκ χειμῶνος [Refs 5th c.BC+]; εὐδίας (genitive) in fine weather, [Refs 5th c.BC+]
2. metaphorically, tranquillity, peace, [Refs 5th c.BC+] W.; of the mind, [Refs 5th c.BC+]; σαρκὸς εὐ. good condition of.., [Refs 1st c.AD+]; εἰς ἔμ᾽ εὐδίαν ἔχων being at ease so far as I am concerned, [Refs 5th c.BC+]