Rhet. Also syne-, synoi-, -cei-, -ce-. [late L., ad. Gr. συνοικείωσις, n. of action f. συνοικειοῦν to associate (persons) as kinsmen or friends, f. σύν SYN- οἰκειοῦν to make ones own, f. οἰκεῖος domestic, ones own, f. οἶκος house.] A figure by which contrasted or heterogeneous things are associated or coupled, e.g., contrary qualities attributed to the same subject.
1589. Puttenham, Engl. Poesie, III. xix. (Arb.), 216, margin. Syneciosis, or the Crosse copling.
1657. J. Smith, Myst. Rhet., 120. Synoeceiosis. A figure which teacheth to conjoyn divers things, or contraries, and is, when contraries are attributed to the same thing.
1678. Phillips (ed. 4), Synoiceiosis.
1721. Bailey, Synoeceosis.