The Collaborative International Dictionary of English v.0.48:

Cadastre \Ca*das"tre\, Cadaster \Ca*das"ter\, n. [F. cadastre.]
   (Law.)
   An official statement of the quantity and value of real
   estate for the purpose of apportioning the taxes payable on
   such property; a public register showing the details of
   ownership and value of land.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cadastre
    n 1: a public register showing the details of ownership and
         value of land; made for the purpose of taxation [syn:
         cadaster, cadastre]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

CADASTRE. A term derived from the French, which has been adopted in
Louisiana, and which signifies the official statement of the quantity and
value of real property in any district, made for the purpose of justly
apportioning the taxes payable on such property. 3 Am. St. Pap. 679; 12 Pet.
428, n.