plural noun
Ris·​soi·​dae | \ rə̇ˈsōəˌdē, -sȯi(ˌ)dē \

Definition of Rissoidae

: a large family of marine and freshwater snails (suborder Taenioglossa) with a long snout, ciliated tentacles, and eyes on small prominences at the base of the tentacles — see rissoa

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History and Etymology for Rissoidae

New Latin, from Rissoa, type genus + -idae

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Cite this Entry

“Rissoidae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rissoidae. Accessed 28 Feb. 2021.

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