Source : Webster's Revised Unabridged Dictionary (1913)

Norma \Nor"ma\, n. [L.]
   1. A norm; a principle or rule; a model; a standard. --J. S.
      Mill.

   2. A mason's or a carpenter's square or rule.

   3. A templet or gauge.

Source : WordNet®

Norma
     n : a small constellation in the southern hemisphere near Lupus
         and Ara in the Milky Way