A dish of eels, cooked and then allowed to cool in their own juices(noun)
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Use "jellied eels" in a sentence
"Here provisions of every kind are supplemented by such luxuries as jellied eels and tiny saucers of whelks and cockles, while a rich harvest is gleaned by less honest traders who exhibit a miscellany of old iron, enamel ware, and worn-out clothing, which they manage with verbal skill to foist on to simple-minded customers."