Definition of helleri
1 : swordtail
2 : any of numerous brightly colored topminnows developed in the aquarium by hybridization between two tropical American fishes (Xiphophorus helleri and Platypoecilus maculatus)
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 helleri
New Latin (specific epithet of Xiphophorus helleri), after C. Heller, 20th century tropical fish collector
Seen and Heard
What made you want to look up helleri? Please tell us where you read or heard it (including the quote, if possible).