Quick Definition
summer
Strong's Definition
properly, heat, i.e. summer
Derivation: from a primary (to heat);
KJV Usage: summer
Thayer's Greek Lexicon
θέρος, θέρους, τό (θέρω to heat), summer: Mat_24:32; Mar_13:28; Luk_21:30. (From Homer down; Hebrew χΗιΔυ, Pro_6:8 Gen_8:22.)
Mounce Concise Greek Dictionary
θέρος theros 3x
the warm season of the year, summer, Mat_24:32 ; Mar_13:28 ; Luk_21:30
Abbott-Smith Greek Lexicon
θέρος , -ους , τό
(θέρω , to heat),
[in LXX chiefly for H7019 ;]
summer: Mat_24:32 , Mar_13:28 , Luk_21:30 .†
Moulton & Milligan — Vocabulary of the Greek NT
θέρος [page 290]
P Hib I. 27 .83 (a calendar B.C. 301 240) ἔλεγεν δὲ [δύο ] τ̣ὰς πορείας εἶναι τοῦ ἡλίου μία μὲν τὴν διορίζουσαν νύκτα καὶ ἡμέραν μία δὲ τὴν διορίζουσαν χιμῶνα καὶ θέρος , he said that the courses of the sun were two, one dividing night and day and one dividing winter and summer (Edd.). OGIS 56 .41 (B.C. 237) ἐν τῶι χειμῶνι . . . ἐν τῶι θέρει . In P Flor II. 150 .5 (A.D. 267) ὥστε . . πατῆσαι τὰ ἐν τῷ αἰγιαλῷ θέρη , the word is = crop. For the adj. see BGU IV. 1188 .9 (B.C. 15 4) τὰ θερινὰ ἔργα , and P Oxy IV. 810 (A.D. 134 5) where land is to be cultivated χόρτῳ εἰς κοπὴν καὶ θερινὴν ἐπινομήν . Θέριστρον apparently = a summer garment (as in LXX Gen_24:65 al. ) occurs in P Petr I. 12 .18 (iii/B.C.) (=III. p. 18). MGr θέρος , summer.
Liddell-Scott — Intermediate Greek Lexicon
θέρος [Etym: θέρω] "summer, summertime", χείματος οὐδὲ θέρευς in winter nor "in summer", Od. ; οὔτ᾽ ἐν θέρει οὔτ᾽ ἐν ὀπώρῃ id=Od. ; τὸ θέρος "during the summer", Hdt. ; θέρους μεσοῦντος "about" mid "summer", Luc. "summer-fruits, harvest, a crop", Aesch. , Ar. , etc.; metaph., δράκοντος θ. Eur.
STEPBible — Tyndale Abridged Greek Lexicon
θέρος, -ους, τό
(θέρω, to heat), [in LXX chiefly for קַיִץ ;]
summer: Mat.24:32, Mrk.13:28, Luk.21:30.†
(AS)