crevass
/ˈkrɛvəs/Definitions
1. noun
A deep narrow opening or fissure in a rock face, especially in a mountain range.
“The hikers had to navigate through a treacherous crevasse on their way to the summit.”
2. verb
To split or break open, especially in a sudden and violent manner.
“The earthquake crevassed the pavement, causing a massive crack.”