Wiktionary
n. (context New Zealand English) A convenience store.
Wikipedia
A Superette is a compact food market " convenience store" or "mini-mart".
The term is most commonly used in the North Island of New Zealand, and in Hawaii, New York City, Boston, Minnesota, Newfoundland and Labrador, and elsewhere as an alternative name for a "convenience store" or "mini-mart."
In 1931 RCA introduced a new line of Superette radio receivers. These used the superheterodyne principle but were lower cost than earlier products,in an attempt to maintain sales during the onset of the Great Depression.
The Superette, were an indie rock band on New Zealand's Flying Nun Records.
Usage examples of "superette".
Otherwise, there was no telling what bizarre stories might spring from Bud's Superette or Hilda's Hairstyling.
When the little ones squeeze past me in the Superette, I give their mops the chaste old tousle.
Next you face the laborious business of cooling, of reassembly, of storage, before the return of these foodstuffs to the Superette, where, admittedly, I am promptly and generously reimbursed for my pains.
We fished stuff out of the trash cans in Washington Square Park, a sandwich, an apple intact but for the missing bite, then to the Superette for nickels and dimes.
I hadn't been thinking about her that much, just a few times a day, and seldom imagined that I'd glimpsed her here or there on the street, on a bus, in the Superette, in the hospital, on a passing airplane five miles high.
It wasn't the grocery boy from Hall's Superette but Sam Hall himself, walking into the room with the deliberate, shambling step Philippa knew since high school.
Saw it all, as if it were the engine of a truck he were taking apart behind the Superette, removing one part after another in his slow way, running a careful thumb over each to feel its essential soundness under the necessary grease.