cor·don /ˈkɔrdṇ, ˌdɑn/
 哨兵線,非常警戒線,飾帶(vt.)用警戒線圍住
 Cor·don n.
 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.
 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 , 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.
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 cordon
      n 1: cord or ribbon worn as an insignia of honor or rank
      2: adornment consisting of an ornamental ribbon or cord