verb
also sib·il·late ˈsibəˌlāt
( -ed/-ing/-s )
Etymology: Latin sibilatus, past participle of sibilare to hiss, whistle
intransitive verb
1. : hiss
2. : to utter an initial sibilant : prefix an s-sound
transitive verb
1. : hiss
2. : to pronounce with an initial sibilant : prefix an s-sound to