Source : Webster's Revised Unabridged Dictionary (1913)

Siamese \Si`a*mese"\, a.
   Of or pertaining to Siam, its native people, or their
   language.

Siamese \Si`a*mese`\, n. sing. & pl.
   1. A native or inhabitant of Siam; pl., the people of Siam.

   2. sing. The language of the Siamese.

Source : WordNet®

Siamese
     adj 1: of or relating to or characteristic of Thailand or its
            people; "Siamese kings"; "different Thai tribes live
            in the north" [syn: {Thai}, {Tai}]
     2: of or relating to the languages of the Thai people; "Thai
        tones" [syn: {Thai}, {Tai}]
     3: of or relating to Thailand; "the Thai border with Laos"
        [syn: {Thai}, {Tai}]
     4: very similar [syn: {twin}]
     5: connecting two or more pipes or hoses or having such a
        connection; "a Y-shaped siamese joint"; "siamese fire-hose
        lines"

Siamese
     n 1: a branch of the Tai languages [syn: {Thai}, {Central Thai}]
     2: a native or inhabitant of Thailand [syn: {Thai}, {Tai}]
     3: a slender short-haired blue-eyed breed of cat having a pale
        coat with dark ears paws face and tail tip [syn: {Siamese
        cat}]