. | 1. | a line around a quarantined area guarded to prevent the spread of a disease by restricting passage into or out of the area. |
| 2. | a group of neighboring, generally neutral states forming a geographical barrier between two states having aggressive military or ideological aims against each other. |
cordon sanitaire cor·don sa·ni·taire (kôr-dôɴ' sä-nē-târ')
n.
A barrier designed to prevent a disease or other undesirable condition from spreading.