Definition of platy
plural platy or platys or platies
: either of two tropical American freshwater live-bearers (Xiphophorus maculatus and X. variatus) that have a highly variable often brilliant color and are popular aquarium fishes —called also platy*fish, \-ˌfish\
Origin of platy
New Latin Platypoecilus, former genus name of the fish
First Known Use: 1931
Learn More about platy
Britannica.com: Encyclopedia article about "platy"
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