Pronunciation: (pot'hōl"), [key]
1. a deep hole; pit.
2. a hole formed in pavement, as by excessive use or by extremes of weather.
3. a more or less cylindrical hole formed in rock by the grinding action of the detrital material in eddying water.
4. a cave opening vertically from the ground surface.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.