Lexical Definition

‎γενέσια‎ genésia (ghen-es'-ee-ah) birthday ^G:N-N
neuter plural of a derivative of ‎γένεσις‎

birthday.

• birthday ceremonies

Abbott-Smith

* γενέσια, -ων, τά, neut. pl. of adj. -ιος, -ον, relating to birth (< γένεσις);

1. in Attic Gk., a commemoration of the dead.
2. In late Gk., a birthday feast (= cl. γενέθλια; so in π., v. MM, Exp., x; cf. also Rutherford, NPhr., 184): Mt 14:6, Mk 6:21.†

Abbott-Smith References

Liddell-Scott-Jones

Included with: γενέσια, γενέθλιος-ος, ον,

={γενέθλιος},{θεός} [Refs 1st c.AD+]; epithet of Posidon, [Refs 2nd c.AD+]

__II Γενέσιον, τό, shrine of Posidon Γ., Paus. [prev. cited]
__III γενέσια, γενέθλιοςα, τά, day kept in memory of the birthday of the dead, [Refs 5th c.BC+]; to be distinguished from γενέθλια birthday-feast, though used for it in [NT+5th c.BC+]; so ἡ γ. ἡμέρα, ={ἡ γενέθλιος}, [Refs]; ἡ γ. alone, [Refs]; τῇ τοῦ Σεβαστοῦ ἐμμήνῳ γ. [Refs 2nd c.AD+]

_{LSJ Scripture Refs: Matt.14.6 ☩ Mark.6.21}