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Meaning of cheval-de-frise

che•val-de-frise

Pronunciation: (shu-val'du-frēz'), [key]
— pl. che•vaux-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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.