The Collaborative International Dictionary of English v.0.48:

Saloop \Sa*loop"\ (s[.a]*l[=oo]p"), n.
   An aromatic drink prepared from sassafras bark and other
   ingredients, at one time much used in London. --J. Smith
   (Dict. Econ. Plants).
   [1913 Webster]

   Saloop bush (Bot.), an Australian shrub (Rhagodia
      hastata) of the Goosefoot family, used for fodder.
      [1913 Webster]