crevice
//ˈkrɛvɪs//
Noun
creviceSingular
crevicesPlural
1
A narrow opening or crack, especially in a rock or wall.
Small plants were growing in the crevices of the old stone wall.
2
A small, tight space or gap where something can hide or become lodged.
The coin fell into a crevice between the floorboards.