Siam

[ sahy-am, sahy-am ]
/ saɪˈæm, ˈsaɪ æm /

noun

former name of Thailand(def 1).
Gulf of, Thailand(def 2).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for siam

Siam

/ (saɪˈæm, ˈsaɪæm) /

noun

the former name (until 1939 and 1945–49) of Thailand
Gulf of Siam an arm of the South China Sea between the Malay Peninsula and Indochinathe former name of (the Gulf of) Thailand (def. 2)

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