Latifundium, latifundij, n. g. Plin. A great or large fielde: great or large possessions.
Lewis and Short: Latin dictionary
lātĭfundĭum, ii, n. [1. latus-fundus], a large landed property, large estate or farm (not ante-Aug.), Plin. 18, 6, 7, 35: nisi latifundiis vestris maria cinxistis, Sen. Ep. 89, 20: metiri me geometres docet latifundia, id. ib. 88, 10: possidere, Petr. 77.