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cŏactĭlis: e, adj. coactus, cogo,I made thick; hence subst.: cŏactĭlĭa, ium, n., thick, fulled cloth or felt, Dig. 34, 2, 26; cf. Edict. Diocl. p. 21.
cŏāctĭlis, e (coacta), fait en feutre : Diocl. 7, 52