a. Old Law. [ad. L. cadūcārius relating to bona cadūca lapsed possessions, See CADUCOUS and -ARY.] Subject to, relating to, or by way of escheat or lapse.
1768. Blackstone, Comm., II. 245. The lord by escheat is more frequently considered as being ultimus haeres, and therefore taking by descent in a kind of caducary succession.
1818. Cruise, Digest, III. 452. Whether the escheat were considered as a reversion, as it once was, or as a caducary succession ab intestato, as it then substantially was.