alluvio (adl-), ōnis, f. id.. In gen., a washing upon, an overflowing, an inundation: adluvione paulatim terra consumitur, Vulg. Job, 14, 19: terra aquarum saepe adluvionibus mersa, App. Mund. p. 67, 41.

— In the jurists, an accession of land gradually washed to the shore by the flowing of water, alluvial land: quod per adluvionem agro nostro flumen adjecit, jure gentium nobis adquiritur, Dig. 41, 1, 7; 19, 1, 13

—Hence, jura adluvionum et circumluvio num, Cic. de Or. 1, 38, 173; cf. Dig. 41, 1, 12.