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)


  • Oxygenated blood from the gills is fed to the muscles via large subsurface coetaneous arteries.

    Dr. Reese Halter: Protecting Great White Sharks

  • Persons who suffer from this condition report a range of coetaneous symptoms including crawling, biting and stinging sensations; granules, threads or black speck-like materials on or beneath the skin; and/or lesions e.g., rashes or sores and some sufferers also report systemic manifestations such as fatigue, mental confusion, short term memory loss, joint pain, and changes in vision.

    Archive 2008-04-01

  • The details are sickening, but … we will but mention that running sores and coetaneous sic diseases of the most painful as well as contagious character infected the entire load….

    Hanging Captain Gordon

  • We have shown that entire sanctification is coetaneous with the baptism with the Holy Ghost, in fact, that the two experiences are in an important sense identical, or, at least, so related to each other that whoever has one has the other.

    The Theology of Holiness

  • The entire sanctification of the heart and the Holy Ghost baptism are coetaneous experiences, and must not be divorced.

    The Theology of Holiness

  • Sanctification and the baptism with the Spirit are therefore coetaneous -- they take place at the same time.

    The Heart-Cry of Jesus

  • Long search for a reliable, coetaneous picture of one of the larger ships of the merchant service of England, in the Pilgrim period, has been rewarded by the discovery of the excel lent "cut" of such a craft, taken from M. Blundeville's "New and Necessarie Treatise of Navigation," published early in the seventeenth century.

    The Mayflower and Her Log; July 15, 1620-May 6, 1621 — Complete

  • Each has indeed a certain relation to the other, and there is no morality which is not, in some degree, also piety; both have the same root, namely, the personality; but the two form, nevertheless, independent branches strictly coetaneous.

    Christian Ethics. Volume II.���Pure Ethics.

  • His presence in this world was coetaneous with the other families of mankind: here he has toiled with a varied fortune; and here under God -- _his_ God -- he will, in the process of time, work out all the sublime problems connected with his future as a man and a brother.

    History of the Negro Race in America From 1619 to 1880. Vol 1 Negroes as Slaves, as Soldiers, and as Citizens

  • Marriage among most African tribes is a coetaneous contract.

    History of the Negro Race in America From 1619 to 1880. Vol 1 Negroes as Slaves, as Soldiers, and as Citizens


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  • The simple say "contemporaneous"
    But what they prefer is extraneous.
    While we, more expert,
    Can safely assert
    Sophisticates say "coetaneous."

    January 2, 2015

  • JM reckons all art was coetaneous art at some stage.

    October 5, 2010