Ris·​soa | \ ˈrisəwə, rə̇ˈsōə \

Definition of Rissoa

: a genus (the type of the family Rissoidae) of small snails that live in brackish water and have an acuminate often finely sculptured shell with a corneous operculum

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History and Etymology for Rissoa

New Latin, after Giovanni A. Risso †1845 French naturalist

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Cite this Entry

“Rissoa.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rissoa. Accessed 27 May. 2020.

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