MURMUR, MURMURING Copy link • MURMUR, MURMURING A low sound, and frequently repeated, murmur (Liv.); parvae vocis murmura (Ov., Met., 12, 52); murmuratio (the act of murmuring; Plin.). Murmuring of water, placidae aquae sonitus (Tib.); of leaves, etc., susurrus. Complaint, fremitus; querela.