Correct
楗
/ jiàn /
Strokes
Definition
material (such as rocks, earth, bamboo etc) used to hastily repair a dike/(literary) door bar (vertical bar used to prevent the horizontal movement of a door bolt)
Example
As a Noun
door bar/bolt
As a Noun
materials (such as bamboo, wood, earth, rocks, etc) used to stop the breaching of a dyke