strait joining the Persian Gulf & the Gulf of Oman, between Arabia & Iran
See Hormuz in American Heritage Dictionary 4
(hôr-mo͞ozˈ, hôrˈmŭzˌ), Strait of also Strait of Or·muz(ôr-mo͞ozˈ, ôrˈmŭzˌ)
A strategic waterway linking the Persian Gulf with the Gulf of Oman. The narrow strait controls oceangoing traffic to and from the oil-rich Gulf States.