su·sur·ra·tion (sōō'sə-rā'shən) n. A soft, whispering or rustling sound; a murmur.
[Middle English susurracioun, from Late Latin susurrātiō, susurrātiōn-, from Latin susurrātus, past participle of susurrāre, to whisper, from susurrus, whisper, ultimately of imitative origin.] su·sur'rant (sŏŏ-sûr'ənt, -sŭr'-), su·sur'rous (-sûr'əs, -sŭr'-) adj.