Definition of Floating easement
Easement for right-of-way which, when created, is not limited to any specific area on servient tenement. City of Los Angeles v. Howard, 53 Cal.Rptr. 274, 276, 244 C.A.2d 538.
That's the definition of Floating easement in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.