molly

noun
mol·​ly | \ ˈmä-lē How to pronounce molly (audio) \
variants: or less commonly mollie
plural mollies

Definition of molly

: any of various small, often brightly colored tropical fish (genus Poecilia) that are live-bearers found in fresh, brackish, or salt water and include several that are highly valued as aquarium fishes

First Known Use of molly

1933, in the meaning defined above

History and Etymology for molly

by shortening from New Latin Mollienisia, former genus name, from Comte François N. Mollien †1850 French statesman

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More Definitions for molly

Molly

noun
Mol·​ly | \ ˈmä-lē How to pronounce Molly (audio) \

Medical Definition of Molly

: the illicit drug ecstasy especially when in a powdered or crystalline form contained in a capsule Experts say Molly, though often touted as pure, is often mixed with other drugs and ingredients, perhaps even more than the Ecstasy of yesteryear.— Helena Oliveiro, The Atlanta Journal-Constitution, 8 June 2013