noun that which swallows; the gullet.
2. gulf ·noun a large deposit of ore in a lode.
3. gulf ·noun a hollow place in the earth; an abyss; a deep chasm or basin.
4. gulf ·noun that which swallows irretrievably; a whirlpool; a sucking eddy.
5. gulf ·noun a portion of an ocean or sea extending into the land; a partially land-locked sea; as, the gulf of mexico.