[ 'kɔ:d(ə)n ]
■ noun
1》 a line or circle of police, soldiers, or guards preventing access to or from a place.
2》 a fruit tree trained to grow as a single stem.
3》 Architecture another term for string course .
■ verb ( ~ something off ) prevent access to or from a place by means of a ~.
Origin
ME: from Ital. ~e , augmentative of corda , and Fr. ~ , dimin. of corde , both from L. chorda (see cord ).