Siam

American

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

noun

former name of Thailand.
Gulf of, Thailand.

Siam British

/ ˈsaɪæm, saɪˈæm /

noun

the former name (until 1939 and 1945–49) of Thailand
an arm of the South China Sea between the Malay Peninsula and Indochina the former name of (the Gulf of) Thailand

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Siam

Find insight on Siam Cement, Forrestania Resources, Liontown Resources and more in the latest Market Talks covering basic materials.

From The Wall Street Journal ● Jul. 14, 2026

Gaza City resident Said Siam said prices have dropped in recent weeks.

From Seattle Times ● May 6, 2024

Hamas said that he was killed along with three other senior militants, including Ayman Siam, who Israel says was in charge of Hamas’ rocket-firing unit.

From Washington Times ● Nov. 26, 2023

A sterling silver urn, given to Miss Pickford by the queen of Siam, is also in a glass case.

From Los Angeles Times ● Mar. 3, 1974

A boy told him there were albino elephants from Siam.

From "Dreaming in Cuban" by Cristina García

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023