also: シャムロ
Siam (former name of Thailand)
Historical name for Thailand, used before 1939 and briefly in 1945–1949. Now obsolete except in historical contexts.
Siam changed its name to Thailand in 1939.
This old map says Siam.
Standard modern katakana spelling for the historical name of Thailand.
Ateji kanji spelling; obsolete and rarely used today.
Obsolete reading variant; lists it but modern usage is essentially nonexistent.
From Portuguese 'Sciam', ultimately from Sanskrit 'śyāma' (dark) via Thai 'sayam'.