Source : Webster's Revised Unabridged Dictionary (1913)

Inn \Inn\, v. i. [imp. & p. p. {Inned}; p. pr. & vb. n.
   {Inning}.]
   To take lodging; to lodge. [R.] --Addison.

Inn \Inn\, n. [AS. in, inn, house, chamber, inn, from AS. in in;
   akin to Icel. inni house. See {In}.]
   1. A place of shelter; hence, dwelling; habitation;
      residence; abode. [Obs.] --Chaucer.

            Therefore with me ye may take up your inn For this
            same night.                           --Spenser.

   2. A house for the lodging and entertainment of travelers or
      wayfarers; a tavern; a public house; a hotel.

   Note: As distinguished from a private boarding house, an inn
         is a house for the entertainment of all travelers of
         good conduct and means of payment,as guests for a brief
         period,not as lodgers or boarders by contract.

               The miserable fare and miserable lodgment of a
               provincial inn.                    --W. Irving.

   3. The town residence of a nobleman or distinguished person;
      as, Leicester Inn. [Eng.]

   4. One of the colleges (societies or buildings) in London,
      for students of the law barristers; as, the Inns of Court;
      the Inns of Chancery; Serjeants' Inns.

   {Inns of chancery} (Eng.), colleges in which young students
      formerly began their law studies, now occupied chiefly by
      attorneys, solicitors, etc.

   {Inns of court} (Eng.), the four societies of ``students and
      practicers of the law of England'' which in London
      exercise the exclusive right of admitting persons to
      practice at the bar; also, the buildings in which the law
      students and barristers have their chambers. They are the
      Inner Temple, the Middle Temple, Lincoln's Inn, and Gray's
      Inn.

Inn \Inn\, v. t.
   1. To house; to lodge. [Obs.]

            When he had brought them into his city And inned
            them, everich at his degree.          --Chaucer.

   2. To get in; to in. See {In}, v. t.

Source : WordNet®

inn
     n : a hotel providing overnight lodging for travelers [syn: {hostel},
          {hostelry}, {lodge}]