sinkhole

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sinkhole

a depression in the ground in which water collects and disappears below the surface, e.g. in limestone areas where a cave roof has collapsed.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
However today Liverpool City Council has announced the road will remain closed after a void was found in the sink hole.
A resident who lives next to the sinkhole said: "A man knocked on my door and informed me of the sink hole so I phoned police and then the council came and had a look."
The sink hole, around a metre square in size, was spotted in Cambridge Road, in the Linthorpe area.
The small crack in the road which police reported as being a 'sink hole'
A spokesman for South Wales Police said officers were called after reports of a sink hole at 7.38am.
A statement issued by the Merthyr Independent Town Ward Councillors said: "A sink hole has appeared at Cwrt Bevan at the old Mardy Hospital site.
In May 2012 work started to cap a 12m wide sink hole near Ysgol Rhes-y-Cae on Halkyn Mountain - the second to appear on the site in two years.
"This is supposed to be the sink hole," said one as we tried to find its location.
"This is supposed to be the sink hole," said one as ChronicleLive tried to find its location.
According to reports, the sink hole appeared close to a building site where a pair of 39-storey apartment blocks are being constructed.