Gulf of Oman - an arm of the Arabian Sea connecting it with the Persian Gulf

Indian Ocean - the 3rd largest ocean; bounded by Africa on the west, Asia on the north, Australia on the East and merging with the Antarctic Ocean to the south

Persian Gulf - a shallow arm of the Arabian Sea between Iran and the Arabian peninsula; the Persian Gulf oil fields are among the most productive in the world

sea - a division of an ocean or a large body of salt water partially enclosed by land