pearl oyster

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Definitions from WordNet

Noun pearl oyster has 1 sense

pearl oyster, Pinctada margaritifera - tropical marine bivalve found chiefly off eastern Asia and Pacific coast of North America and Central America; a major source of pearls
--₁ is a kind of oyster
--₁ is a member of Pinctada, genus Pinctada

Definitions from the Web

Pearl Oyster

Noun: A type of oyster that produces pearls of commercial value.

Sense 1: The shellfish species Pinctada maxima, widely known for its large and valuable pearls.

Sample Sentence: The pearl oyster is highly sought after for its stunning, iridescent pearls.

Sense 2: Any oyster that can produce pearls, especially those that are harvested for pearl cultivation.

Sample Sentence: The pearl oyster population in this region has significantly decreased due to overharvesting.

Adjective: Referring to something related to or resembling a pearl oyster or its pearls.

Sample Sentence: She wore a beautiful necklace adorned with pearl oyster shells.