noun
: a bubbling spring sometimes several feet in diameter that bursts through the ground at the back of a river levee and is caused by the water in the river at flood stages being forced under the levee through a pervious stratum of sand or silt
noun
: a bubbling spring sometimes several feet in diameter that bursts through the ground at the back of a river levee and is caused by the water in the river at flood stages being forced under the levee through a pervious stratum of sand or silt
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012