To save this word, you'll need to log in.
fun·du·lus | \ -ləs \
Definition of fundulus
1 capitalized : a genus of carnivorous cyprinodont fishes including the common killifishes
2 plural fundulus : any fish of the genus Fundulus
Keep scrolling for more
Comments on fundulus
What made you want to look up fundulus? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Original Meanings Quiz
- Which of the following is the earliest known sense of the word awe?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Share fundulus