13 across
A
place
for
fliers
to
act
almost
timid
when
held
in
check
(7)
A place for fliers to act almost timid when held in check (7)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
A place for fliers is a dovecot, a shelter for pigeons. Start with DO for "to act", then take VET meaning "check" and slip CO inside it — that's "timid" as in COY with its last letter dropped (almost timid) — giving VE-CO-T, all following DO.