Today's Word of the Day means...
"Verily, truth is sight. Therefore if two people should come disputing, saying, 'I have seen,' 'I have heard,' we should trust the one who says 'I have seen.' " [Brhadaranyaka Upanishad 5.14.4]Sight for sore eyes "welcome visitor" is attested from 1738; sight unseen "without previous inspection" is from 1892. Sight gag first attested 1957.
The ability to see.
Field of vision.