Adjective
True
,
respected
.
Noun
A
rapid
alternation
between
an
indicated
note
and
the
one
above
it
as
an
ornament
;
in
musical notation
usually
indicated
with
the
letters
''
tr
''
written
above
the
staff
.
Verb
To
create
a
trill
sound
;
to
utter
trills
or
a
trill
;
to
play
or
sing
in
tremulous
vibrations
of
sound
;
to
have
a
trembling
sound
;
to
quaver
.