n.
Variant: also mol · lie
Pronunciation: ' mä-l ē
Function: noun
Inflected Form: plural mollies
Etymology: by shortening from New Latin Mollienisia, former genus name, from Comte François N. Mollien † 1850 French statesman
Date: circa 1933
: any of several brightly colored tropical live-bearers (genus Poecilia ) highly valued as aquarium fishes