antra
/ˈæntrə/ (AN-truh)
Definitions
1. noun
A small cave or overhang in a hill or rock face, especially one that is difficult to enter or exit
“The hikers discovered an antra in the side of the mountain, where they could take shelter from the storm”
2. noun
A niche or recess in a wall or other structure
“The antra in the old church held a beautiful stained glass window”