An American period (4)
I believe the answer is:
stop
(Other definitions for stop that I've seen before include "Don't allow" , "End - period" , "Plug; cease" , "Plug - organ knob - bus halt - period" , "It could be the organist's principal" .)
I believe the answer is:
stop
(Other definitions for stop that I've seen before include "Don't allow" , "End - period" , "Plug; cease" , "Plug - organ knob - bus halt - period" , "It could be the organist's principal" .)