American Heritage Dictionary
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Century Dictionary
GNU Webster's 1913
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WordNet
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Elsewhere on the web
Ketcham's brainchild has been the subject of a hit network TV series, starring Jay North, which ran from 1959 to 1963, and still appears on stations around the country.
That said, I also have trouble believing that Sam Walton's brainchild is the equivalent of LexCorp.— Investopedia.com Headlines
Hawking is well known to have bet $100 that Higgs 'boson brainchild, the so-called "god particle", doesn't exist.— The Register
They are now seeking to raise one billion dollars from private equity firms to re-claim their brainchild, the New York Times reported Friday, citing several people familiar to the matter. eBay would be looking to sell the phone service for at least 1.7 billion dollars, the daily reported.— PhysOrg.com - latest science and technology news stories

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