cheval-de-frise (noun)

1. In Greek mythology, the cheval-de-frise was said to be created by Hephaestus, the god of blacksmiths and craftsmen.

2. Some religious texts mention the use of cheval-de-frise as a symbol of protection and defense against evil spirits.

3. During the Battle of Waterloo in 1815, the cheval-de-frise played a vital role in impeding the enemy's advancement.

4. Cheval-de-frise elements are often incorporated in the design of fortresses and castles to enhance their defensive capabilities.