Full Moon
noun, の adjective
The full moon is a full moon.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
満月の夜は、星がきれいに見えます。
The stars are beautifully visible on a night with a full moon.
フグって、満月の様に真ん丸い顔をしてるよね。
Fugu has such a round face like a full moon, doesn't he?
明日の夜は満月なんだって。曇らないといいね。
I heard that tomorrow night will be a full moon. I hope it’s not cloudy.