1. The banning op documents for public viewing for reason of security of copyright purposes. "embargoed publications"
2. An embargo with academic publications is to prohibit them from being viewed by certain persons for a period of time.
3. To cease imports from another country, usually due to political differences. This causes the isolation of the countries economy and often causes it to suffer.
Also, a trade barrier or economic boycott.
4. The prevention of ships leaving port.
1. "Lady Chatterley's lover was embargoed in Europe until the late 1900's."
3. "Due to apartheid in South Africa their exports were embargoed to many countries opposing their governmental rule."