
1) Conferred about 2) Greek astronomer, 432 BC
Found on
https://www.crosswordclues.com/clue/meton
[crater] Meton is a compound formation on the Moon that consists of several merged crater rings that have been flooded with lava, forming the remnant of a walled plain in the shape of a clover leaf. It is located near the northern lunar lumb, and is viewed from a low angle and foreshortened. The crater Barrow is attached to the southwest ri...
Found on
http://en.wikipedia.org/wiki/Meton_(crater)

(from the article `Metonic cycle`) ...a period of 19 years in which there are 235 lunations, or synodic months, after which the Moon`s phases recur on the same days of the solar year, ... ...of all the early attempts to provide some commensurability between a religious lunar calendar and the tropical year was the Metonic cycle. This ......
Found on
http://www.britannica.com/eb/a-z/m/81
No exact match found.