reticle

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument

Borrowed from Late Latin rēticulum, diminutive of Latin rēte (“net”). Doublet of reticulum, Reticulum, and reticule.

I noticed the scantiest necessaries in the way of furniture; a few old prints from books, of Chancellors and barristers, wafered against the wall; and some half-dozen reticles and work-bags, “containing documents,” as she informed us. — Bleak House, Charles Dickens

reticule, graticule

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