Sinkhole
['sɪŋkhəʊl]
Definition
(noun.) a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof.
Typist: Phil--From WordNet
['sɪŋkhəʊl]
(noun.) a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof.
Typist: Phil--From WordNet