1To become full or be filled (with something); to brim (with); to be filled up.
皿にスープが満ちている。
The bowl is filled with soup.
彼女の胸は喜びで満ちていた。
Her heart was full of joy.
箱は古い本で満ちていた。
The box was full of old books.
彼は自信に満ちた顔でステージに立った。
He stood on stage with a face full of confidence.
2To wax (of the moon); to increase toward a full moon.
夜空に月が徐々に満ちてきた。
The moon gradually waxed in the night sky.
今月は満ちるのが早いように見える。
The moon seems to be waxing quickly this month.
3To rise (of the tide); to come in (of the sea).
満潮で海辺の道が水に覆われた。
At high tide the seaside road was covered with water.
常に潮が満ちる時間を確認してから出航してください。
Always check the time of high tide before sailing.
4To expire (of a period); to reach maturity or come to an end.
契約期間が来月満ちるので、更新について話し合おう。
The contract period expires next month, so let's discuss renewal.
任期が満ちて、彼は退任した。
His term ended and he stepped down.