clavis

Iron clavis, the solid web-shaped at the edges to fit the wards in the lock, and having a pointed broach and a kite-formed looped haft.

His hands were restrained by means of a clavis and bolt (of iron), appropriated to each wrist, and united by a padlock.

Homer, with a clavis, I have had possession of some years.

There are many disadvantages in using a clavis intended for another country, which necessarily includes plants that are absent from our islands while it omits some that are present and neglects the peculiarities of our island flora.