an official ban on trade or other commercial activity with a particular country

an embargo on grain sales

an arms embargo

an order of a state forbidding foreign ships to enter, or any ships to leave, its ports

an embargo laid by our Emperor upon all vessels whatsoever

impose an official ban on (trade or a country or commodity)

all of these countries have been embargoed by the US

seize (a ship or goods) for state service

they must embargo means of transport