Rivulus

noun
Riv·​u·​lus | \ -ləs \

Definition of Rivulus

: a large genus of brightly colored but often sluggish South and Central American killifishes several species of which are sometimes kept in a tropical aquarium

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History and Etymology for Rivulus

New Latin, from Latin, rivulet

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Dictionary Entries Near Rivulus

rivulose

Rivulus

rix

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Cite this Entry

“Rivulus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rivulus. Accessed 21 Jan. 2022.

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