
A
right
lined
quadrilateral
figure,
whose
opposite
sides
are
parallel,
and
consequently
equal; 
sometimes
restricted
in
popular
usage
to
a
rectangle,
or
quadrilateral
figure
which
is
longer
than
it
is
broad,
and
with
right
angles.

A
plane
four
sided
figure,
the
opposite
sides
of
which
are
parallel
and
equal.

A
plane
four
sided
figure
with
opposite
sides
equal
and
parallel.

A
four
sided
plane
figure
whose
opposite
sides
are
parallel.

Any
area
or
object
having
such
form.

A
right
lined
quadrilateral
figure,
whose
opposite
sides
are
parallel;
popularly,
when
such
a
figure
is
longer
than
it
is
broad.

In
geom.,
a
right
lined,
four
sided
figure,
whose
opposite
sides
are
parallel
and
equal.
X