Source : Webster's Revised Unabridged Dictionary (1913)

Tabular \Tab"u*lar\, a. [L. tabularis, fr. tabula a board,
   table. See {Table}.]
   Having the form of, or pertaining to, a table (in any of the
   uses of the word). Specifically:
   (a) Having a flat surface; as, a tabular rock.
   (b) Formed into a succession of flakes; laminated.

             Nodules . . . that are tabular and plated.
                                                  --Woodward.
   (c) Set in squares. [R.]
   (d) Arranged in a schedule; as, tabular statistics.
   (e) Derived from, or computed by, the use of tables; as,
       tabular right ascension.

   {Tabular difference} (Math.), the difference between two
      consecutive numbers in a table, sometimes printed in its
      proper place in the table.

   {Tabular spar} (Min.), wollastonite.

Source : WordNet®

tabular
     adj 1: arranged or displayed systematically in table form
     2: flat; like a table in form