Depression in the Ground Where Water Accumulates
This page is the CodyCross answer for the clue below from Wild West, Group 438, Puzzle 1 (Wild Bill Hickok).
Question is: Depression in the Ground Where Water Accumulates
and the answer is: SINKHOLE
Word Meaning:
SINKHOLE — (geology) A hole formed in soluble rock by the action of water, serving to conduct surface water to an underground passage.
Definitions from Wiktionary.