sibilant

Of, characterized by, or producing a hissing sound like that of (s) or (sh).

A sibilant speech sound, such as English (s), (sh), (z), or (zh).

Hissing; making or having a hissing sound: as, s and z are sibilant letters.

An alphabetic sound that is uttered with hissing, as s and z, and sh and zh (in azure, etc.), also ch (tsh) and j (dzh).

Making a hissing sound; uttered with a hissing sound; hissing.

Characterized by a hissing sound such as the “s” or “sh” in sash or surge.

A hissing sound such as the ‘s’ or ‘sh’ in ‘sash’ or ‘surge’.

of speech sounds produced by forcing air through a constricted passage (as `f’, `s’, `z’, or `th’ in both `thin’ and `then’)

a consonant characterized by a hissing sound (like s or sh)