long_island has definitions from the field of geography
1
[ noun ] (geography) an island in southeastern New York; Brooklyn and Queens are on its western end

Used in print

(Philip Reaves, "Who Rules the Marriage Bed?"...)

More typical is the case of a suburban Long_Island housewife described by a marriage counselor .

(David Boroff, "Jewish Teen-Age Culture"...)

But it should be pointed_out that some of the new watering_places - Fire_Island , Nantucket , Westhampton , Long_Island , for_example - tend to be homogeneously Jewish .

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