Noun
A
sibilant
sound
,
such
as
that
made
by
a
snake
or
escaping
steam
;
an
unvoiced
fricative
.
Verb
To
make
a
hiss
,
a
sibilant
sound
of
air
escaping
.
Interjection
hiss
;
used
to
imitate
the
sound
of
sawing
wood