Adjective
produced
by
air
flowing
through
a
restriction
in
the
oral
cavity
.
Noun
Any
of
several
sounds
produced
by
air
flowing
through
a
constriction
in
the
oral
cavity
and
typically
producing
a
sibilant
,
hissing
,
or
buzzing
quality
;
a
fricative
consonant
.