The Collaborative International Dictionary of English v.0.48:

Tical \Ti*cal"\, n.
   1. A bean-shaped coin of Siam, worth about sixty cents; also,
      a weight equal to 236 grains troy. --Malcom.
      [1913 Webster]

   2. A money of account in China, reckoning at about $1.60;
      also, a weight of about four ounces avoirdupois.
      [1913 Webster]

WordNet (r) 3.0 (2006):

tical
    n 1: the basic unit of money in Thailand [syn: baht, tical]