garnet /ˈɡɑː(ɹ).nət/noun 3adjective 1verb 1forms 3 noun3 •A hard transparent mineral that is often used as gemstones and abrasives.On the back of one cover BRADSHAW, in beryls, was encrusted; on the back of the other, A.B.C. GUIDE, in amethysts, beryls, chrysoprases, and garnets. — 1911 •A dark red color, like that of the gemstone. •A tackle for hoisting cargo in or out of a vessel.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 adjective1 •Of a dark red colour. verb1 •To shred (twisted wool fiber, rags, etc.) so that it can be reused. formsgarneted · garneting · garnets