n.

1. 哨兵線
2. 飾帶；綬章
3. 飛簷層（建築）
4. 封鎖線；防疫線

vt.

1. 包圍隔離（某地區）（常與off連用）

n.

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.

v.