Source : Webster's Revised Unabridged Dictionary (1913)

Confine \Con*fine"\, v. t. [imp. & p. p. {Confined}; p. pr. &
   vb. n. {Confining}.] [F. confiner to border upon, LL.
   confinare to set bounds to; con- + finis boundary, end. See
   {Final}, {Finish}.]
   To restrain within limits; to restrict; to limit; to bound;
   to shut up; to inclose; to keep close.

         Now let not nature's hand Keep the wild flood confined!
         let order die!                           --Shak.

         He is to confine himself to the compass of numbers and
         the slavery of rhyme.                    --Dryden.

   {To be confined}, to be in childbed.

   Syn: To bound; limit; restrain; imprison; immure; inclose;
        circumscribe; restrict.

Source : WordNet®

confined
     adj 1: not free to move about [ant: {unconfined}]
     2: enclosed by a confining fence [syn: {fenced in}, {penned}]
     3: not invading healthy tissue [ant: {invasive}]
     4: deprived of liberty; especially placed under arrest or
        restraint
     5: in captivity [syn: {captive}, {imprisoned}, {jailed}]