sheltie

noun, plural shel·ties. Informal.

1. Shetland pony.
2. Shetland sheepdog.

noun plural -ties

1. another name for Shetland pony, Shetland sheepdog

n.“small pony,” 1640s, “Shetland pony,” from Shelty, abbreviation of Sheltand, metathesis of Shetland. Or the word may represent the Orkney pronunciation of Old Norse Hjalti “Shetlander.”