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graticule

American  
[grat-i-kyool] / ˈgræt ɪˌkyul /

noun

  1. Navigation. a network of parallels and meridians on a map or chart.

  2. Optics. a reticle.

graticule British  
/ ˈɡrætɪˌkjuːl /

noun

  1. the grid of intersecting lines, esp of latitude and longitude on which a map is drawn

  2. another name for reticle

  3. a transparent scale in front of a cathode-ray oscilloscope or other measuring instrument

"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

Etymology

Origin of graticule

1885–90; < French < Latin crāticula, diminutive of crātis. See grate 2, -cule 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.