Crater

Merriam-Webster Online Dictionary
crater (noun)
1.
a) the bowl-shaped depression around the orifice of a volcano
b) a depression formed by an impact (as of a meteorite)
c) a hole in the ground made by the explosion of a bomb or shell
2.
an eroded lesion
3.
a dimple in a painted surface
crater (verb)
intransitive verb
1.
to exhibit or form - craters
2.
transitive verb
to fail or fall suddenly and dramatically - collapse crash the deal cratered cratering stock prices to form craters in
crater ()