Shetland wool
noun
the fine wool undercoat pulled by hand from Shetland sheep.
thin, loosely twisted wool yarn for knitting or weaving.
Origin of Shetland wool
First recorded in 1780–90
British Dictionary definitions for shetland wool
Shetland wool
noun
a fine loosely twisted wool yarn spun from the fleece of Shetland sheep and used esp for sweaters