cordonn.[F., fr. corde. See Cord.]1. A cord or ribbon bestowed or borne as a badge of honor; a broad ribbon, usually worn after the manner of a baldric, constituting a mark of a very high grade in an honorary order. Cf. Grand cordon.()2. The cord worn by a Franciscan friar.(Sir E. Sandys.)3. (Fort.) The coping of the scarp wall, which projects beyong the face of the wall a few inches.()4. (Mil.) A line or series of sentinels, or of military posts, inclosing or guarding any place or thing.()5. A rich and ornamental lace or string, used to secure a mantle in some costumes of state.()Cordon sanitaire (kr`dn" s`n`tr") [F., sanitary cordon], a line of troops or military posts around a district infected with disease, to cut off communication, and thus prevent the disease from spreading. Also used figuratively, of a group of neutral states that forms a barrier between two hostile states.()[F., blue cordon]1. a first-rate cook, or one worthy to be the cook of the cordons bleus, or Knights of the Holy Ghost, a distinguished order of French knights, famous for their good dinners.()2. the blue ribbon worn by the Knights of the Holy Ghost.()[one entitled to wear the cordon bleu{2}.]3. a person of high distinction.()5. (Cookery) a dish prepared with thin slices of meat separated by layers of ham and cheese, and then sauteed; as, chicken cordon bleu is a popular dish.()n.[F., dim. of cordon. See Cardon.] Doubled and twisted thread, made of coarse silk, and used for tassels, fringes, etc.(McElrath.)