n. pl. en·ti·ties 1. Something that exists as a particular and discrete unit: Persons and corporations are equivalent entities under the law. 2. The fact of existence; being. 3. The existence of something considered apart from its properties. [Medieval Latin entitās, from Latin ēns, ent-, present participle of esse, to be; see es- in the Appendix of Indo-European roots.] |
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