18 down
Old
sign
across
front
of
door
to
bar
(7)
Old sign across front of door to bar (7)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
Look at to bar at the end — that's your definition, meaning to shut out. You've got EX meaning "old", then CLUE meaning "sign" wrapped around D (the front of "door"), giving you EX + CLU-D-E.