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biostrome

noun
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bi·​o·​strome | \ ˈbīəˌstrōm \
plural -s

Definition of biostrome

: a distinctly bedded or broadly lenticular body of rock composed mainly of the remains of sedentary organisms (such as shell beds, crinoid beds, or coral beds) — compare bioherm

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History and Etymology for biostrome

bi- entry 2 + Late Latin stroma coverlet, from Greek strōma bed, mattress

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“Biostrome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biostrome. Accessed 20 Jun. 2021.

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