Source : Webster's Revised Unabridged Dictionary (1913)

Remain \Re*main"\ (r?-m?n"), v. i. [imp. & p. p. {Remained}
   (-m?nd"); p. pr. & vb. n. {Remaining}.] [OF. remaindre,
   remanoir, L. remanere; pref. re- re- + manere to stay,
   remain. See {Mansion}, and cf. {Remainder}, {Remnant}.]
   1. To stay behind while others withdraw; to be left after
      others have been removed or destroyed; to be left after a
      number or quantity has been subtracted or cut off; to be
      left as not included or comprised.

            Gather up the fragments that remain.  --John vi. 12.

            Of whom the greater part remain unto this present,
            but some are fallen asleep.           --1 Cor. xv.
                                                  6.

            That . . . remains to be proved.      --Locke.

   2. To continue unchanged in place, form, or condition, or
      undiminished in quantity; to abide; to stay; to endure; to
      last.

            Remain a widow at thy father's house. --Gen.
                                                  xxxviii. 11.

            Childless thou art; childless remain. --Milton.

   Syn: To continue; stay; wait; tarry; rest; sojourn; dwell;
        abide; last; endure.

Source : WordNet®

remaining
     adj 1: being the remaining one or ones of several; "tried to sell
            the remaining books"
     2: not used up; "leftover meatloaf"; "she had a little money
        left over so she went to a movie"; "some odd dollars
        left"; "saved the remaining sandwiches for supper";
        "unexpended provisions" [syn: {leftover}, {left over(p)},
        {left(p)}, {odd}, {unexpended}]