HSK10+
jiān
box
Seal script
椷
box; casket; letter; envelope
缄 (椷)
(wooden) box; cup; old variant of 緘|缄[jiān]
缄默
to keep silent
缄
cup
缄口不言
to censor
Academia Sinica
Unicode
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing