Subterranean stream
Defined in 1 dictionary — Ballentine's (1916)
Ballentine's Law Dictionary
James A. Ballentine · 1916
Underground waters flowing in a distinct, well-defined and permanent channel. See 37 Fla. 586, 53 Am. St. Rep. '262, 33 L. R. A. 376, 20 South. 780.