Meaning

noun a branch of the Tai languages

noun a native or inhabitant of Thailand

noun an inlet with two or more couplings to which a hose can be attached so that fire engines can pump water into the sprinkler system of a building

originEtymology tree English Siam Proto-Indo-European *-iskos Proto-Germanic *-iskaz Proto-West Germanic *-iskbor. Late Latin -iscus ▲ Vulgar Latin -iscus Latin -ēnsis Old French -eisbor. Middle English -eys English -ese English Siamese From Siam + -ese.

Etymology from Wiktionary, CC BY-SA 3.0