De·main n.
  1. Rule; management. [Obs.]
  2. Law See Demesne.
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  De·mesne n.  Law A lord's chief manor place, with that part of the lands belonging thereto which has not been granted out in tenancy; a house, and the land adjoining, kept for the proprietor's own use. [Written also demain.]
  Ancient demesne. Eng. Law See under Ancient.
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