S: (n) Persian Gulf, Arabian 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)
S: (n) body of water, water (the part of the earth's surface covered with water (such as a river or lake or ocean)) "they invaded our territorial waters"; "they were sitting by the water's edge"
S: (n) gulf, disconnect, disconnection (an unbridgeable disparity (as from a failure of understanding)) "he felt a gulf between himself and his former friends"; "there is a vast disconnect between public opinion and federal policy"