What's the difference between chapelet and chatelet?

Chapelet

Definition:

• (n.) A pair of straps, with stirrups, joined at the top and fastened to the pommel or the frame of the saddle, after they have been adjusted to the convenience of the rider.
• (n.) A kind of chain pump, or dredging machine.

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Chatelet

Definition:

• (n.) A little castle.

Example Sentences: