Definition of "optic" in Anglais

adjective

1. (relational) Of, or relating to the eye or to vision.

2. (optics, relational) Of, or relating to optics or optical instruments.

noun

1. (archaic, humorous) An eye.

2. (optics) A lens or other part of an optical instrument that interacts with light.

3. (trademark in UK) A measuring device with a small window, attached to an upside-down bottle, used to dispense alcoholic drinks in a bar.