SINKHOLES
Definition
SINKHOLES is the plural of SINKHOLE.
noun SINKHOLE: a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof.
SINKHOLES is the plural of SINKHOLE.
noun SINKHOLE: a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof.