zephyr yarn
Webster's Dictionary (GCIDE)
Zephyr \Zeph"yr\, n. [L. zephyrus, Gr. ?, akin to ? darkness, the dark side, west: cf. F. z['e]phyr.] The west wind; poetically, any soft, gentle breeze. "Soft the zephyr blows." --Gray. [1913 Webster]
As gentle As zephyrs blowing below the violet. --Shak. [1913 Webster]
Zephyr cloth, a thin kind of cassimere made in Belgium; also, a waterproof fabric of wool.
Zephyr shawl, a kind of thin, light, embroidered shawl made of worsted and cotton.
Zephyr yarn, or Zephyr worsted, a fine, soft kind of yarn or worsted, -- used for knitting and embroidery. [1913 Webster]