chevaux-de-frise

noun

1. plural of cheval-de-frise.

noun, plural che·vaux-de-frise [shuh–voh-duh–freez] /ʃəˈvoʊ dəˈfriz/. Usually chevaux-de-frise.

1. 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.

noun plural chevaux-de-frise (ʃəˌvəʊdəˈfriːz)

1. a portable barrier of spikes, sword blades, etc, used to obstruct the passage of cavalry
2. a row of spikes or broken glass set as an obstacle on top of a wall