The Collaborative International Dictionary of English v.0.48:

Domicile \Dom"i*cile\, n. [L. domicilium; domus house + (prob.)
   root of celare to conceal: cf. F. domicile. See Dome, and
   Conceal.]
   1. An abode or mansion; a place of permanent residence,
      either of an individual or a family.
      [1913 Webster]

   2. (Law) A residence at a particular place accompanied with
      an intention to remain there for an unlimited time; a
      residence accepted as a final abode. --Wharton.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Domicile \Dom"i*cile\, v. t. [imp. & p. p. Domiciled; p. pr. &
   vb. n. Domiciling.] [Cf. F. domicilier. Cf. Domiciliate.]
   To establish in a fixed residence, or a residence that
   constitutes habitancy; to domiciliate. --Kent.
   [1913 Webster]

WordNet (r) 3.0 (2006):

domicile
    n 1: (law) the residence where you have your permanent home or
         principal establishment and to where, whenever you are
         absent, you intend to return; every person is compelled to
         have one and only one domicile at a time; "what's his legal
         residence?" [syn: domicile, legal residence]
    2: housing that someone is living in; "he built a modest
       dwelling near the pond"; "they raise money to provide homes
       for the homeless" [syn: dwelling, home, domicile,
       abode, habitation, dwelling house]
    v 1: make one's home in a particular place or community; "may
         parents reside in Florida" [syn: reside, shack,
         domicile, domiciliate]