Optic Definition

Optic
noun

1. trademark.
A device attached to the neck of an inverted bottle for measuring the amount poured out, especially for measuring amounts of alcohol.
Form: optic (also)

Etymology: 1920s.

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optic
adj

1. Relating to the eye or vision.
2. optical.

noun

1. jocular
The eye.

Etymology: 16c: from Greek optikos, from optos seen or visible.