Noun
A piece done to prove possession of skill sufficient to be ranked a master.
A piece of quality, indicative of having been made by a master; a masterpiece.
(obsolete) An act of primary importance.
(obsolete) A main drain or irrigation channel.
Source: en.wiktionary.orgFor the creation of a masterwork of literature two powers must concur, the power of the man and the power of the moment, and the man is not enough without the moment. Matthew Arnold
'Notorious' is a masterwork. I can watch it every day. Bellamy Young
Sarah Palin is a symbol of everything that is wrong with the modern United States. As a representative of our political system, she's a new low in reptilian villainy, the ultimate cynical masterwork of puppeteers like Karl Rove. Matt Taibbi
As someone who spent a lot of that decade in New York City rep cinemas, I can attest to the growing consensus that it’s Kubrick’s masterwork. Source: Internet
A masterwork of narrative journalism and a stirring testament to the power of the human spirit,Deep Down Dark captures the profound ways in which the lives of everyone involved in the catastrophe were forever changed. Source: Internet
Ginzberg had an encyclopedic knowledge of all rabbinic literature, and his masterwork included a massive array of aggadot. Source: Internet