horse conch

noun

a marine gastropod, Pleuroploca gigantea, having a yellowish, spired shell that grows to a length of 2 feet (0.6 meters).

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Nearby words

horse bean, horse block, horse brass, horse chestnut, horse clam, horse conch, horse corn, horse fly, horse gentian, horse guard, horse latitudes

Origin of horse conch

An Americanism dating back to 1865–70

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019