Quick Definition
γέννησις, εως, ἡ n.f. nativity, birth
Strong's Definition
nativity
Derivation: from G1080 (γεννάω);
KJV Usage: birth
Thayer's Greek Lexicon
γέννησις, -ews, 7, (γεννάω), a begetting, engendering, (often so in Plat.) ; nativity, birth: Rec. in Mt. i. 18 and Lk. i. 14; see γένεσις, 2.
Mounce Concise Greek Dictionary
Abbott-Smith Greek Lexicon
γέννησις, -εως, ἡ,
[in LXX: I Ch 4:8 (מִשְׁפָּחָה), Ec 7:2 (ילד ni.; γένεσις, Aא), Wi 3:13 א1 (γένεσις, ABא2), Si 22:3 * ;]
begetting.
birth: Mt 1:18, Lk 1:14, Rec.†
Moulton & Milligan — Vocabulary of the Greek NT
γέννησις (Gn Mt 138 LW, Lk 111. one or two good MSS, incl. 33) may be quoted from P Leid W-? (ii/iii A.p.), where a magic book περιέχει γέννησιν πνεύματος, πυρὸς Kal σκότος (se. τους), and «γώ, 7371°° (ii/A.D.) σπονδὴν ἀξίαν τῆς τάξεως, γάμων, γεννήσεως, Χοῶν, ἐφηβείας κτλ.: Dittenberger observes that boys were brought to the Xées festival before their coming of age, so that the order of these last three items is one of time.
Liddell-Scott-Jones — Greek-English Lexicon
γέννησις (gennēsis) — birth. γένν-ησις, Doric dialect γένν-ᾱσις, εως, ἡ, engendering, producing, [Refs 5th c.BC+]; birth, [NT]
2. production, ἀγαθῶν [Refs 4th c.BC+]