Word Study
sibilant
CIDE DICTIONARY
sibilant, a. [L. sibilans, -antis, p. pr. of sibilare to hiss: cf. F. sibilant.].
Making a hissing sound; uttered with a hissing sound; hissing; as, s , z , sh , and zh , are sibilant elementary sounds. [1913 Webster]
OXFORD DICTIONARY
sibilant, adj. & n.
--adj.
1 (of a letter or set of letters, as s, sh) sounded with a hiss.
2 hissing (a sibilant whisper).
--n. a sibilant letter or letters.
--adj.
1 (of a letter or set of letters, as s, sh) sounded with a hiss.
2 hissing (a sibilant whisper).
--n. a sibilant letter or letters.
Derivative
sibilance n. sibilancy n.
Etymology
L sibilare sibilant- hiss
ROGET THESAURUS
sibilant
Sibilation
N sibilance, sibilation, zip, hiss, sternutation, high note, goose, serpent, snake (animal sounds), insect, bug, bee, mosquito, wasp, fly, tea kettle, pressure cooker, air valve, pressure release valve, safety valve, tires, air escaping from tires, punctured tire, escaping steam, steam, steam radiator, steam release valve, sibilant, hissing, wheezy, sternutative.For further exploring for "sibilant" in Webster Dictionary Online