Meaning of squatter's right

squat'ter's right'

Pronunciation: [key]
— Law Informal. Law Informal.
  1. a claim to real property, esp. public land, that may be granted to a person who has openly possessed and continuously occupied it without legal authority for a prescribed period of years.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.