n. 25B6; noun
our ship sailed into the gulf : INLET, bay, creek, bight, cove, fjord, estuary, sound, arm of the sea; Scottish firth, frith.
the ice gave way and a gulf widened slowly : HOLE, crevasse, fissure, cleft, split, rift, pit, cavity, chasm, abyss, void; ravine, gorge, canyon, gully.
a growing gulf between rich and poor : DIVIDE, division, separation, gap, breach, rift, split, chasm, abyss; difference, contrast, polarity.