What is the meaning of Sibilant?

Characterized by a hissing or hushing sound such as the s or sh in sack or shack.

A consonant having a hissing or hushing sound such as the s or sh in sack or shack.

sibilant

sibilant

sibilant; hissing

third-person plural present active indicative of sībilō

sibilant

sibilant

Source: wiktionary.org