Termer

from WordNet (r) 3.0 (2006)

termer
    n 1: a person who serves a specified term; "there are not many
         fourth termers in the Senate"

from The Collaborative International Dictionary of English v.0.48

Termer \Term"er\, n.
   1. One who resorted to London during the law term only, in
      order to practice tricks, to carry on intrigues, or the
      like. [Obs.] [Written also {termor}.] --B. Jonson.
      [1913 Webster]

   2. (Law) One who has an estate for a term of years or for
      life.
      [1913 Webster]