1. 動詞の様相で、完了した動作を表す(the aspect of a verb that expresses a completed action)
2. 動作が完了したことを示すときに使われる動詞の時制(ときに完了相とも見なされる)(a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect))
a.1662 (date written), Thomas Fuller, The History of the Worthies of England, London: […] J[ohn] G[rismond,] W[illiam] L[eybourne] and W[illiam] G[odbid], published 1662, →OCLC: