Siamese

American  

[sahy-uh-meez, -mees] / ˌsaɪ əˈmiz, -ˈmis /

adjective

1. of or relating to Siam, its people, or their language.

2. the former term for Thai.

3. twin; closely connected; similar.

4. Informal. dual; combined; twofold or two-way.

   a Siamese sprinkler.

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noun

Siamese plural

1. a native of Siam.

2. former name of Thai.

3. Siamese cat.

4. (usually lowercase) a standpipe placed outside a building close to ground level, having two or more openings so that fire engines can pump water to the sprinkler system of the building.

Siamese British  

/ ˌsaɪəˈmiːz /

noun

1. See Siamese cat

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adjective

1. characteristic of, relating to, or being a Siamese twin

adjective

1. another word for Thai

Other Word Forms

Noun Inflected Forms

• Siamese
  plural

Etymology

Origin of Siamese

First recorded in 1685–95; Siam + -ese

Example Sentences

See Examples For:

Siamese

Walker, from Bishopston in Bristol, said her Siamese Oriental cat Maneesha escaped through a hole in the fence before being injured.

From BBC ● May 4, 2026

Then I remember we adopted a pair of Siamese cats that had become homeless somehow.

From Salon ● Sep. 28, 2024

Holly Hennessey, from Florida, is travelling with her six-year-old Siamese cat Captain.

From BBC ● Sep. 27, 2024

The Anguianos felt overwhelmed and distraught: Somewhere in that forest was their small, brownish seal point Siamese cat that had run off from the Fishing Bridge RV Park.

From Los Angeles Times ● Sep. 22, 2024

He ran up and down the bank, all the time keeping up his unearthly Siamese wailing.

From "The Incredible Journey" by Sheila Burnford