■ noun
1》 an object hinged to a door and rapped by visitors to attract attention.
↘ informal a person who buys or sells from door to door.
2》 informal a person who continually finds fault.
3》 ( ~s ) informal a woman's breasts.
Phrases
on the ~ informal
1》 Brit. going from door to door.
2》 Austral./NZ (with reference to payment) without delay; immediately.