Full moon - Mangetsu

Japanese: 満月 - まんげつ

〘Noun〙① A moon that appears to shine as a circle without any void. This phenomenon occurs when the sun, earth, and moon are lined up in an almost straight line, and appears 14 or 15 days after the new moon. Full moon . Full moon. [Season: Autumn] *Shoku Nihongi - Yoro 3rd year (719), November 1st Rabbit "The pearl of _precepts _is like _{a full} moon in its embrace, and the water of wisdom _is like _a _cloud. " [Zhang Jiuling - Poetry of Devoting Oneself to the Emperor] ② The name of a part of a biwa. A round hole on the surface of the abdominal panel. [Wamyosho, 20 volumes (around 934)] ③ The full month in which a woman is due to give birth. The due month. Umizuki. *Miscellaneous haiku - Yanagi Taru - 48 (1809) "When the moon is full, three moons fall."

Man-gatsu ...Gwattsu [Full Moon]

〘 noun 〙＝mangetsu（full moon）①※Taike of Takano (before the 13th century) 5 “The majestic figure of the full moon, worshipped by the new white hairs of the gods. _”

Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information

Japanese:

〘名〙① 欠けるところなく、円形に輝いて見える月。太陽・地球・月の順にほぼ直線上に並ぶときの現象で、新月から一四、五日して現われる。望(ぼう)。もちづき。まんがつ。十五夜の月。《季・秋》※続日本紀‐養老三年（719）一一月乙卯「戒珠如_レ懐_二満月_一、慧水若_レ写_二滄溟_一」〔張九齢‐賦得自君之出矣詩〕② 琵琶の部分の名。腹板の表にあるまるい孔。〔二十巻本和名抄（934頃）〕③ 出産予定の月が満ちること。臨月。うみづき。※雑俳・柳多留‐四八（1809）「満月になると三ケ月落す也」