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Meaning of allodium

al•lo•di•um

Pronunciation: (u-lō'dē-um), [key]
— pl. -di•a
  1. land owned absolutely; land owned and not subject to any rent, service, or other tenurial right of an overlord.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.