Word with bus or whistle (4)
I believe the answer is:
stop
(Other definitions for stop that I've seen before include "Plug; cease" , "Block; end; group of organ pipes" , "Pause - prevent" , "Knock out" , "Put an end to" .)
I believe the answer is:
stop
(Other definitions for stop that I've seen before include "Plug; cease" , "Block; end; group of organ pipes" , "Pause - prevent" , "Knock out" , "Put an end to" .)