a. Also coæt-. [f. late L. coætāne-us one of the same age (f. co- together + ætāt- age + āne-us adj. suffix) + -OUS.] = COEVAL in all senses. Const. with, † to, unto.
1. Coming into existence or arising at the same time; of contemporary or simultaneous origin and antiquity.
1608. Bp. J. King, Serm., 5 Nov., 38. A parallele to this, coetaneous … in time.
1622–62. Heylin, Cosmogr., I. (1682), 100. Corrivals with the Jesuites … and almost coætaneous in point of time, are the Oratorians.
a. 1711. Ken, Edmund, Poet. Wks. 1721, II. 134. The sick man reviving by degrees Feels coetaneous Pleasure, Cure, and ease.
1833. Lyell, Princ. Geol., III. 345. The Pyrenees and other coetaneous chains, such as the northern Apennines.
1853. J. W. Gibbs, Philol. Studies (1857), 48. The gradual, not coetaneous, development of the kinds of words or parts of speech.
2. Of the same age, equal in age.
1649. Bp. Hall, Cases Consc., III. i. 216. We being but of yesterday, they coetaneous with the world and time itselfe.
1682. Sir T. Browne, Chr. Mor., 86. Anticipate the virtues of age … So may’st thou be coetaneous unto thy elders, and a father unto thy contemporaries.
1795. Southey, Joan of Arc, VII. 459. Then he would sit Beneath the coetaneous oak.
3. Existing or living at the same time; contemporary.
1649. Roberts, Clavis Bibl., 332. That land seems not to have received its name of Uz coetaneous to Abraham.
1657. Tomlinson, Renou’s Disp., 721. Some of his coætaneous Medicks.
1791. Cowper, Iliad, I. 315. Two generations past of mortals born In Pylus, coëtaneous with himself.
1841–4. Emerson, Ess. Experience (1885), II. 361. Bear … with this coetaneous growth of the parts.
4. Of equal duration, coextensive in duration.
1627–77. Feltham, Resolves, II. xxxiii. 226. To ascribe a coetaneous being of the world with God, is to make it God.
1655. Gurnall, Chr. in Arm., I. 342. Our troubles and our lives are coetaneous, live and die together.
1836. Landor, Pericles & Aspasia, Wks. 1846, II. 435. Little of life is remaining, but my happiness will be coetaneous with it.
Hence Coetaneously adv., Coetaneousness.
1818. Dwight, Theol. (1830), I. xiv. 240. Whatever exists in the divine Mind exists co-etaneously and co-eternally with all other things which exist in it.
1727–31. Bailey, vol. II. Coetaneousness, the being of the same age with.
1848. R. Hamilton, Disq. Sabbath, i. 15. It derives all its authority of proof out of its coëtaneousness.
