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black-bordered oyster

noun
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Definition of black-bordered oyster

: a large edible oyster (Saxostrea gradiva) of northern Australia with a bluish black shell

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“Black-bordered oyster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/black-bordered%20oyster. Accessed 24 Oct. 2020.

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