Gulf A hollow place in the earth; an abyss; a deep chasm or basin,
Gulf That which swallows; the gullet.
Gulf That which swallows irretrievably; a whirlpool; a sucking eddy.
Gulf A portion of an ocean or sea extending into the land; a partially land-locked sea; as, the Gulf of Mexico.
Gulf A large deposit of ore in a lode.
gulf 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"
Gulf Coast a coast of the Gulf of Mexico
Gulf of Aden arm of the Indian Ocean at the entrance to the Red Sea
Gulf of Aegina a gulf of the Aegean on the southeastern coast of Greece
Gulf of Akaba a northeastern arm of the Red Sea; between the Sinai Peninsula Egypt and Saudi Arabia