<p><strong>Noun</strong></p><ul><li>A line of police, sentinels, military posts, warships, etc., enclosing or guarding an area.</li><li>A cord or braid worn for ornament or as a fastening.</li><li>A ribbon worn usually diagonally across the breast as a badge of a knightly or honorary order.</li><li>(Fortification) A projecting course of stones at the base of a parapet; the coping of a scarp.</li><li>(Architecture) A stringcourse, especially one having little or no projection.</li><li>A cut-stone riser on a stepped ramp or the like.</li><li>A fruit tree or shrub trained to grow along a support or a series of such supports.</li></ul><p><strong>Verb</strong></p><ul><li>(Used with object) To surround or blockade with or as with a cordon (usually followed by off): The police cordoned off the street.</li></ul>