from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of equal age, duration, or period; coeval.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Belonging to the same age, era or period; coeval or contemporary.
from the GNU version of the Collaborative International Dictionary of English
- adj. Of the same age; beginning to exist at the same time; contemporaneous.
from The Century Dictionary and Cyclopedia
- Of the same age with another; beginning to exist at the same time; coeval. Also spelled coœtaneous.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of the same period
From Late Latin coaetāneus, a contemporary : Latin co-, co- + Latin aetās, age; see aiw- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Late Latin coaetaneus ("one of the same age"). (Wiktionary)