Pearly Gates 
plural noun informal
The gates of heaven: I am getting less fond of poems about old age as I near the Pearly Gates
Origin
With biblical allusion to Revelation 21:21.
- lock picker
- lock piece
- lock pit
- lock pool
- Lockport
- lock pulley
- lock rail
- lockram
- lockrum
- lock saw
- lock screen
- lock seat
- lockset
- lockshoe
- lock side
- lock sill
- locksman
- locksmith
- locksmithery
- locksmithing
- lock someone down
- lock someone out
- lock someone out of
- lock someone/thing in (or into)
- lock someone up (or away)