Wordnet 3.0
NOUN (1)
1. 
 a country of southeastern Asia that extends southward along the Isthmus of Kra to the Malay Peninsula; 
- Example: "Thailand is the official name of the former Siam"[syn: Thailand, Kingdom of Thailand, Siam]
WordNet (r) 3.0 (2006):
Siam
    n 1: a country of southeastern Asia that extends southward along
         the Isthmus of Kra to the Malay Peninsula; "Thailand is the
         official name of the former Siam" [syn: Thailand,
         Kingdom of Thailand, Siam]
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
SIAM
       Society for Industrial and Applied Mathematics (org., USA)