sibilant

Main Entry: 1sib·i·lant
Pronunciation: 'si-b&-l&nt
Function: adjective
Etymology: Latin sibilant-, sibilans, present participle of sibilare to hiss, whistle, of imitative origin
: having, containing, or producing the sound of or a sound resembling that of the s or the sh in sash < a sibilant affricate > < a sibilant snake >
- sib·i·lant·ly adverb