Quick Definition
the womb, stomach, to be pregnant
Strong's Definition
the stomach; by analogy, the matrix; figuratively, a gourmand
Derivation: of uncertain derivation;
KJV Usage: belly, + with child, womb
Thayer's Greek Lexicon
γαστήρ, γαστρός (poetic, γαστερος), ἡ, in Greek authors from Homer down; in the Sept. for αΖΜθΖο;
1. the belly; by metonymy, of the whole for a part,
2. Latinuterus, the womb: ἐν γαστρί ἔχειν to be with child) see ἔχω, I. 1 b.): Mat_1:18; Mat_1:23; Mat_24:19; Mar_13:17; Luk_21:23; 1Th_5:3; Rev_12:2; (in the Sept. for δΘψΘδ, Gen_16:4; Gen_38:25; Isa_7:14, etc.; Herodotus 3, 32 and vit. Homer 2; Artemidorus Daldianus, oneir. 2, 18, p. 105; 3, 32, p. 177; Pausanias, Herodian, others); συλλαμβάνεσθαι ἐν γαστρί to conceive, become pregnant, Luk_1:31.
3. the stomach; by synecdoche a glutton, gormandizer, a man who is as it were all stomach, Hesiod theog. 26 (so also γάστρις, Aristophanes av. 1604; Aelian v. h. 1, 28; and Latinventer in Lucil. sat. 2, 24 edition Gerl. 'vivite ventres'): γαστέρες ἀργαί, Tit_1:12; see ἀργός, b.
Mounce Concise Greek Dictionary
γαστήρ gastēr 9x
the belly, stomach; the womb, Luk_1:31 ; ἐν γαστρὶ ἔχειν , to be with child, Mat_1:18 ; Mat_1:23 ; Mat_24:19 , et al.; γαστέρες , gluttons, Tit_1:12
Abbott-Smith Greek Lexicon
γαστήρ , -τρός , ἡ ,
[in LXX for H990 , ἐν γ . ἔχειν for H2029 , ἐν γ . λαμβάνειν for H2029 ;]
1. the belly: metaph ., a glutton , Tit_1:12 .
2. the womb: ἐν γ . ἔχειν , to be with child , Mat_1:18 ; Mat_1:23 (LXX) Mat_24:19 , Mar_13:17 , Luk_21:23 , 1Th_5:3 , Rev_12:2 ; ἐν γ συλλαμβ ., to conceive, Luk_1:31 .†
Moulton & Milligan — Vocabulary of the Greek NT
γαστήρ [page 121]
The phrase ἐν γαστρὶ ἔχειν (cf. MGr ἐγγαστρώνομαι ), found in Herodotus, and the medical writers from Hippocrates down (see Hobart, p. 92), may be quoted from P Ryl II. 68 .13 (B.C. 89), where one woman complains of another who ε̣͗ [πληξέν ] με . . . ἐγ γαστρ [ὶ ] ἔχουσαν πεντάμηνον . It is used of a sow, P Magd 4 .6 (iii/B.C.), and P Flor II. 130 .3 (A.D. 257) καταπι ]ανθ̣εῖσαν ὗν ἔχουσαν καὶ ἐ [ν γ ]αστρί . Cf. Syll 802 .8 (iii/B.C.) πένθ᾽ετη ὡς ἐκύησε ἐγ γασ [τρ ]ὶ Κλεὼ βάρος , 14 ἔγκυος δὲ γενομένα ἐγ γαστρὶ ἐϕ̣όρει τρία ἔτη . In Vettius Valens, p. 193 .33 we have ἐὰν κατὰ γαστρὸς ἔχῃ . For the common compound γαστροκνήμιον = calf of the leg, see BGU III. 975 .11 (A.D. 45) (= Selections , p. 42) οὐλὴ καστροκνημίῳ ( l. γαστρο ).
Liddell-Scott — Intermediate Greek Lexicon
γαστήρ [Etym: deriv. uncertain] "the paunch, belly", Lat. venter, Hom. , etc.: hence, γ. ἀσπίδος "the hollow" of a shield, Tyrtae. :—often to express "greed or gluttony", γαστέρες οἶον mere "bellies", Hes. ; γαστρὸς ἐγκρατής master of "his belly", γαστρὸς ἥττων a slave to "it", Xen. "the paunch stuffed with mince-meat, a black-pudding, sausage", Od. , Ar. "the womb", Lat. uterus, γαστέρι φέρειν to be with child, Il. ; so, ἐκ γαστρός from "the womb", from infancy, Theogn. ; ἐν γαστρὶ ἔχειν Hdt.
STEPBible — Tyndale Abridged Greek Lexicon
γαστήρͅ, -τρός, ἡ,
[in LXX for בֶּטֶן, ἐν γ. ἔχειν for הרה, ἐν γ. λαμβάνειν for חרה ;]
__1. the belly: metaphorically, a glutton, Tit.1:12.
__2. the womb: ἐν γ. ἔχειν, to be with child, Mat.1:18, 23" (LXX) 24:19, Mrk.13:17, Luk.21:23, 1Th.5:3, Rev.12:2; εν γ. συλλαμβ., to conceive, Luk.1:31.
† (AS)