gulf /ɡʌlf/ BrE AmE noun [countable]
[ Date: 1300-1400 ; Language: French ; Origin: golfe , from Greek kolpos 'arms folded around, bay' ]
1 . a large area of sea partly enclosed by land:
the Gulf of Mexico
2 . a great difference and lack of understanding between two groups of people, especially in their beliefs, opinions, and way of life SYN gap
gulf between
the huge gulf between management and unions
a growing gulf between old and young