Answer:

dingdong

AnswerCrossword Clue
DINGDONG".... , the witch is dead..."
DINGDONGBell sound
DINGDONGDoor opener?
DINGDONG"Who's there?" preceder
DINGDONGVisitor's first attempt
DINGDONGDoorbell sound
DINGDONGRipsnorting, as a fight.
DINGDONGBell sound.
DINGDONGRinging sound
DINGDONGSound from a tower
DINGDONGTalk tediously
DINGDONGCall from the front door
DINGDONGAnnouncement of a visitor
DINGDONG"Who is it?" prompter
DINGDONGCrackpot
DINGDONGKnock alternative