adj. Being between 80 and 90 years of age. n. A person between 80 and 90 years of age. [From French octogénaire, from Latin octōgēnārius, containing eighty, from octōgēnī, eighty each, from octōgintā, eighty : octō, eight; see oktō(u) in the Appendix of Indo-European roots + -gintā, ten times; see dek in the Appendix of Indo-European roots.] |
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