Lexical Definition

‎γυμνασία‎ gymnasía (goom-nas-ee'-ah) training ^G:N-F
from ‎γυμνάζω‎

exercise.

• training, i.e. (figuratively) asceticism

Abbott-Smith

** γυμνασία, -ας, ἡ (< γυμνάζω), [in LXX: IV Mac 11:20 * ;]
exercise: I Ti 4:8.†

Abbott-Smith References

Liddell-Scott-Jones

γυμνασία-ᾰσία, ἡ,

right to use γυμνασίαάσιον, [Refs 4th c.BC+]; exercise, σωματικὴ γ. [NT+2nd c.AD+]; of military exercises, ἡ ἐν τοῖς ὅπλοις γ. [Refs 2nd c.BC+]; generally, struggle, [Refs 1st c.BC+]lessons, [Refs 1st c.BC+]: metaphorically of mental exercise, [Refs 4th c.AD+]; frequently of disputation, [Refs 5th c.BC+]; training, γ. πρὸς τὰς πολιτικὰς πράξεις [Refs 2nd c.BC+]

__2 Rhet., practice: hence, arrangement, disposition, τοῦ διηγήματος Theo [γυμνασίαάσματα - Rhet.” 6. ">Refs 4th c.AD+]

_{LSJ Scripture Refs: 1Tim.4.8}