An increase of the land by the sudden withdrawal or retrocession of the sea or a river. Hammond v. Shepard, 186 111. 235, 57 N. E. 867, 78 Am. St Rep. 274; Sapp v. Frazier, 51 La. Ann. 1718, 26 South. 378, 72 Am. St Rep. 493.
Black’s Law Online Dictionary
