Noun
A
second
,
relatively
short
length
of
track
just
to
the
side
of
a
railroad
track
,
joined
to
the
main
track
by
switches
at
one
or
both
ends
,
used
either
for
unloading
freight
,
or
to
allow
two
trains
on
a
same
track
to
meet
(
opposite
directions
)
or
pass
(
same
direction
);
a
railroad siding
.
Verb
To
divert
(
a
locomotive
or
train
)
on
to
a
lesser
used
track
in
order
to
allow
other
trains
to
pass
.