hawk's-eye

[ hawks-ahy ]
/ ˈhɔksˌaɪ /
|

noun

a dark-blue chatoyant quartz formed by the silicification of crocidolite, used for ornamental purposes.Compare tiger's-eye(def 1).

Origin of hawk's-eye

First recorded in 1675–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hawk-eye

British Dictionary definitions for hawk-eye (1 of 2)

Hawk-Eye


noun

trademark an optical ball-tracking device used as an aid to commentators in certain sports, and as an officiating tool in major tennis tournaments

British Dictionary definitions for hawk-eye (2 of 2)

hawk's-eye


noun

a dark blue variety of the mineral crocidolite: a semiprecious gemstone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012