Relating to the eyes or vision; able to be seen or visible.
From Latin 'ocularis,' derived from 'oculus' (eye). The Latin root 'oculus' is ancient and possibly related to Sanskrit 'akshi.' The word entered English in the 1500s through medical and scientific terminology.
The word 'ocular' sounds like 'oculist' (an eye doctor), and that's because both come straight from Latin—which is why doctors love using Latin words. 'Oculus' appears everywhere: ocular, monocle, binoculars, oculomotor, Oculus Rift... it's probably the most useful Latin word ever.
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