Gnomon

Origin

From Latin gnomon, from Ancient Greek γνώμων (gnōmōn, "indicator"), related to γιγνώσκω (gignōskō, "I know") and γνῶσις (gnōsis, "knowledge").

Noun

1. The pointer on a sundial.
2. (geometry) A plane figure formed by removing a parallelogram from a corner of a larger parallelogram.

Related terms

• gnomonics