on the latch

on the latch

Of a door, closed but not locked. Primarily heard in UK. In the small village where I grew up, you knew everyone around you, so everyone left their doors on the latch.
See also: latch, on

on the ˈlatch

(British English) closed but not locked: Can you leave the door on the latch so I can get in?
See also: latch, on