sibilation
NounWordNet 3.0
Noun (2)
- a fricative sound (especially as an expression of disapproval)“the performers could not be heard over the hissing of the audience”Synonyms: hisshissinghushingfizzle
- pronunciation with a sibilant (hissing or whistling) soundSynonyms: assibilation
Webster's Dictionary (GCIDE)
Sibilation \Sib`i*la"tion\, n. [L. sibilatio.] Utterance with a hissing sound; also, the sound itself; a hiss. [1913 Webster]
He, with a long, low sibilation, stared. --Tennyson. [1913 Webster]