cordon (Noun) — A series of sentinels or of military posts enclosing or guarding some place or thing.
cordon (Noun) — Cord or ribbon worn as an insignia of honour or rank.
cordon (Noun) — Adornment consisting of an ornamental ribbon or cord.
cordon (Noun) — A line of police, troops, guards, tape, etc. around an area to prevent entry by other people.
cordon (Verb) — Separate with a line of police, troops, guards, marker objects, cord or tape. ex. "cordon off the area"