Coetaneous
Pronunciation : Co`e*ta"ne*ous
Part of Speech : a.
Etymology : [L. coaetaneus; co- + aetas age.]
Definition : Defn: Of the same age; beginning to exist at the same time; contemporaneous. -- Co`e*ta"ne*ous*ly, adv. And all [members of the body] are coetaneous. Bentley.
Source : Webster's Unabridged Dictionary, 1913