Sheltie

noun3

1. •
   A Shetland sheepdog.
2. •
   A Shetland pony; by extension, any small pony.

   • You, sir, doubtless, are well mounted, and I, for the present, travel upon foot, or on a Highland shelty, that does not help me much faster forward. — 1817
3. •
   (rare) A Shetlander.