Definition of full moon in English:

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full moon


1The phase of the moon in which its whole disk is illuminated.
Example sentences
  • A lunar eclipse occurs at full moon when the Moon crosses the ecliptic in opposition to the Sun.
  • Seasonal variation in the moon's path through the night sky changes the variance in ambient moonlight between proximate new moons and full moons.
  • I was very excited for the full moon / lunar eclipse on Saturday night.
1.1The time when the moon’s whole disk is illuminated: it was several days after full moon
More example sentences
  • The study period was from January 1999 through February 2001, or twenty six full moons and months.
  • Rather, the term blue moon refers to the second full moon in a calendar month, which occurred on Saturday.
  • Easter Sunday is timed to coincide with the first Sunday following the first full moon of the vernal equinox.

For editors and proofreaders

Syllabification: full moon

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