Source : Webster's Revised Unabridged Dictionary (1913)

Sise \Sise\, n. [From {Assize}.]
   An assize. [Obs.]

Sise \Sise\, n. [See {Sice}.]
   Six; the highest number on a die; the cast of six in throwing
   dice.

         In the new casting of a die, when ace is on the top,
         sise must needs be at the bottom.        --Fuller.

Source : WordNet®

sise
     n : the cardinal number that is the sum of five and one [syn: {six},
          {6}, {VI}, {sixer}, {Captain Hicks}, {half a dozen}, {sextet},
          {sestet}, {sextuplet}, {hexad}]