n. [ L. insusurratio, fr. insusurrare to whisper into. ] The act of whispering into something. [ Obs. ] Johnson. [ 1913 Webster ]
n. [ L. susurratio, fr. susurrare to whisper: cf. F. susurration. ] A whispering; a soft murmur. “Soft susurrations of the trees.” Howell. [ 1913 Webster ]