Definition of Encumbrance

Any right to, or interest in, land which may subsist in another to diminution of its value, but consistent with the passing of the fee. Knudson v. Weeks, D.C.Okl., 394 F.Supp. 963, 976. A claim, lien, charge, or liability attached to and binding real property, e.g. a mortgage; judgment lien; mechanics’ lien; lease; security interest; easement or right of way; accrued and unpaid taxes.

That's the definition of Encumbrance in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.