siamese

Of or relating to Siam; Thai.

I remember one such occasion when a Siamese pupil had fired the train from Lime Street, and so complimentary were the Chief's remarks on the condition of the fire that we found our young Siamese friend difficult to live with for about a week afterwards!

Of a connection of tubes or hoses: shaped like the letter Y.

The Thai language.

A Siamese cat.

The third kitten said her name was Juno, and that she was a Siamese.

An inhabitant of Siam.

A connection of tubes or hoses shaped like a letter Y.