flow under Copy link Outline 1. subterfluo, 32. subterlābor, lapsus, 3 (gently; with gliding motion) • flow under, or beneath: 1. subterfluo, 3: a river f.ing from a lake under mountains, amnis ex lacu sub montes subterfluens, Vitr. 8, 2, 6: a rapid torrent f.ing beneath (the bridge), torrente rapido subterfluente, Plin. 2. subterlābor, lapsus, 3 (gently; with gliding motion): rivers f.ing beneath the walls of cities, subterlabentia flumina muros, Virg. G. 2, 157.