01 a. Of the same age; beginning to exist at the same time; contemporaneous.
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1.
Of the same age; beginning to exist at the same time; contemporaneous.“And all [members of the body] are coetaneous.” — Bentley.
Entry
1 sense
Webster, 1913
Coetaneous
· Co·e·ta·ne·ous
· IPA /ˌkoʊ.ɪˈteɪn.i.əs/