Oman

American  

[oh-mahn] / oʊˈmɑn /

noun

1. Formerly Muscat and Oman.  Sultanate of Oman, an independent sultanate in southeastern Arabia. About 82,800 sq. mi. (212,380 sq. km). Muscat.

2. Gulf of Oman, a northwestern arm of the Arabian Sea, at the entrance to the Persian Gulf.

---

Oman British  

/ əʊˈmɑːn /

noun

1. Former name (until 1970): Muscat and Oman.  a sultanate in SE Arabia, on the Gulf of Oman and the Arabian Sea: the most powerful state in Arabia in the 19th century, ruling Zanzibar, much of the Persian coast, and part of Pakistan. Official language: Arabic. Official religion: Muslim. Currency: rial. Capital: Muscat. Pop: 3 154 134 (2013 est). Area: about 306 000 sq km (118 150 sq miles)

---

Oman Cultural  

1. Kingdom on the southern and eastern coasts of the Arabian Peninsula on the Arabian Sea, bordered to the northwest by the United Arab Emirates, the west by Saudi Arabia, and the southwest by Yemen. Oman includes a tip of land on one side of the Strait of Hormuz at the entrance to the Persian Gulf.

---

Discover More

Strategically located on trading and military routes between the Persian Gulf and Asia and east Africa, Oman has been occupied by the Portuguese, the Turks, and the Persians; since the beginning of the nineteenth century, it has maintained close relations with Britain.

Oman began exporting oil in 1967.

Example Sentences

The actions are separate from the U.S. blockade of Iranian ports, which is being carried out in the Gulf of Oman and the Arabian Sea.

From The Wall Street Journal • May 19, 2026

These included three very large crude carriers, reportedly bound for China, Oman and Japan.

From Barron's • May 18, 2026

A video on the website shows two Sinoguards employees arriving by speedboat at a tanker in the Gulf of Oman marked with the name and logo of Cosco Shipping, a state-run Chinese shipping giant.

From The Wall Street Journal • May 16, 2026

The BBC has previously reported how these vessels are based in the Red Sea, Gulf of Aden and Gulf of Oman so security guards can easily collect and drop off weapons and ammunition.

From BBC • May 14, 2026

“The only sea passage from the PersianGulf to the Gulf of Oman and then out to sea. Twenty-one percent of the world’s oil travels through the narrow passage.”

From "The Smartest Kid in the Universe" by Chris Grabenstein