Definition of Viviparus
: a widely distributed genus (the type of the cosmopolitan family Viviparidae of the suborder Taenioglossa) of freshwater snails that have a turbinate operculate shell which is usually greenish and more or less banded with brown and that are born alive and with a well-developed shell
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of viviparus
New Latin, from Latin, adjective, viviparous
Seen and Heard
What made you want to look up Viviparus? Please tell us where you read or heard it (including the quote, if possible).