What is "coetaneous"

Coetaneous \Co`e*ta"ne*ous\, a. [L. coaetaneus; co- + aetas age.] 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.

"having the same age," c.1600, from Late Latin coaetanus "one of the same age," from com- "with, together with" (see co-) + aetat- "age" (see age (n.)) + adjectival suffix -aneus.

a. Belonging to the same age, era or period; coeval or contemporary.

adj. of the same period [syn: coeval, contemporaneous]