What is Levee?

Legal Definition
A levee, (/ˈlɛvi/), dike, dyke, embankment, floodbank or stopbank is an elongated naturally occurring ridge or artificially constructed fill or wall, which regulates water levels. It is usually earthen and often parallel to the course of a river in its floodplain or along low-lying coastlines.
-- Wikipedia
Legal Definition
An embankment or artificial mound of earth constructed uiong the margin of a river, to confine the stream to its natural channel or prevent inundation or overflow. State v. New Orleans & N. E. R. Co., 42 La. Ann. 138, 7 South. 226; Royse v. Evansville & T. H. R. Co., 160 Ind. 592, 67 N. E. 446. Also iprobably by an extension of the foregoing meaning) a landing place on a river or lake; a place on a river or other navigable water for lading and unlading goods and for the reception and discharge of passengers to and from vessels lying in the contiguous waters, which may be either a wharf or pier or the natural bank. See Coffin v. Portland (C. Ct) 27 Fed. 415 ; St. Paul v. Railroad Co., 63 Minn. 330, 68 N. W. 458, 34 In R. A. 184; Napa v. Howland, 87 Cal. 84, 25 Pac. 247. See Levee district.
-- Black's Law Dictionary