first water

Etymology
The term originated in the gemstone trade, where it was used to signify water-like clarity.

Noun

 * 1)  The highest quality of gemstones, especially of diamonds and pearls.
 * 2)   The highest rank or quality or the greatest degree.
 * 1)   The highest rank or quality or the greatest degree.
 * 1)   The highest rank or quality or the greatest degree.
 * 1)   The highest rank or quality or the greatest degree.