蚻 Simplified/traditional character 蚻 English definition zhá Aphrophora martima Characters with the same pronunciation 札 : thin piece of wood used a writing tablet (in ancient China); a kind of official document (in former times); letter; note; 铡 : lever-knife; 闸 : gear; brake; sluice; lock (on waterway); electric switch or circuit breaker; 霅 : rain; 闸 拃