The Collaborative International Dictionary of English v.0.48:

Leere \Leere\ (l[=e]r), n. [Etymol. uncertain.]
   Tape or braid; an ornament. --Halliwell.
   [1913 Webster]

   Leere side, the left side, as that on which a leere or
      ornament was worn. --B. Jonson.
      [1913 Webster]