n. A stoppage or seizure of ships or merchandise by sovereign authority; specifically, a restraint or prohibition imposed by the authorities of a country on merchant vessels, or other ships, to prevent their leaving its ports, and sometimes amounting to an interdiction of commercial intercourse either with a particular country or with all countries.n. Hence A restraint or hindrance imposed on anything: as, to lay an embargo on free speech.To lay an embargo upon; restrain the movement or voluntary use of, as ships or property, especially as an act of sovereignty or of public policy; make a seizure or arrestment of. See embargo, n.