New moon Meaning, Definition & Usage
- 
       noun the time at which the Moon appears as a narrow waxing crescent
       
       
 new phase of the moon.
 
WordNet
Definitions
- . (a) The moon in its first quarter, or when it first appears after being invisible .(b) The day when the new moon is first seen; the first day of the lunar month, which was a holy day among the Jews. 2 Kings iv. 23.