\As*sess"or\, n. [L., one who sits beside, the
assistant of a judge, fr. assid?re. See {Assession}. LL., one
who arranges of determines the taxes, fr. assid?re. See
{Assess}, v., and cf. {Cessor}.]
1. One appointed or elected to assist a judge or magistrate
   with his special knowledge of the subject to be decided;
   as legal assessors, nautical assessors. --Mozley & W.
2. One who sits by another, as next in dignity, or as an
   assistant and adviser; an associate in office.
         Whence to his Son, The assessor of his throne, he
         thus began.                           --Milton.
         With his ignorance, his inclinations, and his fancy,
         as his assessors in judgment.         --I. Taylor.
3. One appointed to assess persons or property for the
   purpose of taxation. --Bouvier.