name
Siam
seye-AM
name
1
The historical name of Thailand, a country in Southeast Asia, used until 1939.
"The old maps still labeled the country Siam."
How to Use Siam
Learner’s notesIn plain EnglishThe former name of what is now Thailand.
Common mistake
Don't confuse with "Siamese," the adjective describing things related to Siam/Thailand.
Easily confused with
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The old maps still labeled the country _____.
Etymology
From Portuguese, ultimately from the Thai name for the region.