D defs.my
Entry 2 senses Webster, 1913

Eternity

/ĭ-tûrʹnĭ-tē/ · E·ter·ni·ty · IPA /ɪˈtɝnɪti/
01 n. Infinite duration, without beginning in the past or end in the future; also, duration without end in the future; endless time.
pl. Eternities ((#))
  1. 1.
    Infinite duration, without beginning in the past or end in the future; also, duration without end in the future; endless time.
    “The high and lofty One, that inhabiteth eternity.” — Is. lvii. 15.
  2. 2.
    Condition which begins at death; immortality.
    “Thou know'st 't is common; all that lives must die, Passing through nature to eternity.” Shak.