Definition of "reticle" [ret•i•cle]

• A grid or pattern placed in the eyepiece of an optical instrument, used to establish scale or position. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The bdc reticle is nice but a .270 properly sighted in will not require holdover at any reasonable range."
• "A Redfield 3X9 with a 1 tube, and range estimator reticle is mounted on this rifle."
• "For meaning 2, the word reticle is also used; the words are unconnected, this one being from a diminutive of rête 'net.'"