Definition of "garnet"

garnet¹

/ˈɡɑː(ɹ).nət/

noun
countable and uncountable, plural garnets
1. (mineralogy) A hard transparent mineral that is often used as gemstones and abrasives.
  Quotations
  How many needles Betty Flanders had lost there! and her garnet brooch.
  1922, Virginia Woolf, Jacob's Room, Vintage Classics, page 127
  Although there are dozens of different types of gems, among the best known and most important are […] . (Common gem materials not addressed in this article include amber, amethyst, chalcedony, garnet, lazurite, malachite, opals, peridot, rhodonite, spinel, tourmaline, turquoise and zircon.)
  2012 March, Lee A. Groat, “Gemstones”, in American Scientist‎, volume 100, number 2, archived from the original on 14 June 2012, page 128
2. A dark red color, like that of the gemstone.
adjective
1. Of a dark red colour.

garnet²

/ˈɡɑː(ɹ).nət/

noun
plural garnets
1. (nautical) A tackle for hoisting cargo in or out of a vessel.
  Quotations
  Using a garnet for the lower-deck guns on the lower deck: Lash the centre of the yard to the mast, and hook both burtons to support the yard.
  1893, Charles Bushell, The Rigger's Guide and Seaman's Assistant

garnet³

/ˈɡɑː(ɹ).nət/

verb
third-person singular simple present garnets, present participle garneting, simple past and past participle garneted
1. (transitive) To shred (twisted wool fiber, rags, etc.) so that it can be reused.