fast-food cluster
n. A collection of fast-food restaurants within a small geographical area.

Example Citation:
Every few miles, clusters of fast food joints seem to repeat themselves, Burger Kings, Wendy's, and McDonald's, Subways, Pizza Huts, and Taco Bells, they keep appearing along the road, the same buildings and signage replaying like a tape loop. You can drive for twenty minutes, pass another fast food cluster, and feel like you've gotten nowhere.
—Eric Schlosser, Fast Food Nation, 2001

Earliest Citation:
Yoshinoya, Japan's fifth largest fast-food chain, has 270 Beef Bowl stores at home and is planning an even bigger U.S. chain. ... Most will be in suburban fast-food clusters, and some will have drive-through service.
—"A U.S. beachhead for Japanese fast food," Business Week, July 2, 1979

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