a wooden box or casket

此物盛于木缄之中。

a small wooden cup or drinking vessel

他举起木缄，一饮而尽。

verb · a letter or correspondence

亲启此缄，见字如面。

verb · written mail or correspondence

捧读来缄，感佩万分。

to seal or close firmly, such as an envelope or container

请将信件缄好后寄出。