Noun
Any
of
about
100-170
species
of
yellow
,
orange
or
red
(
rarely
green
)
parasitic
plants
of
the
genus
.
Formerly
treated
as
the
only
genus
in
the
family
,
it
is
now
placed
in
the
morning glory
family
, .
Verb
To
shake
or
tremble
as
one
moves
,
especially
as
of
old age
or
childhood
;
to
totter
.