before a vowel cœn-, combining form of Gr. κοινός common, as in Cœnogamy [Gr. -γαμια, γάμος marriage], community of husbands or wives. Cœnopodous a. [Gr. ποδ- foot], equal-footed or -limbed (Syd. Soc. Lex.). Cœnotype, a common type (of an organism); cf. archetype; thence Cœnotypic a. Also the following.