Cheval de frise

What is Cheval de frise?

Cheval de frise definition and meaning on Dictionary terms:
noun, plural cheA.vaux-de-frise [shuh-voh-duh-freez] /E?E?E?voE?a??dE?E?friz/. Usually chevaux-de-frise.
a portable obstacle, usually a sawhorse, covered with projecting spikes or barbed wire, for military use in closing a passage, breaking in a defensive wall, etc.