Cordon

noun

1. A ribbon normally worn diagonally across the chest as a decoration or insignia of rank etc.
2. A line of people or things placed around an area to enclose or protect it.
3. The arc of fielders on the off side, behind the batsman - the slips and gully.
4. A woody plant, such as a fruit tree, pruned and trained to grow as a single stem on a support.