Webster's Dictionary is any of the English language dictionaries edited in the early 19th century by Noah Webster (1758–1843), an American lexicographer, as well as numerous related or unrelated dictionaries that have adopted the Webster's name in his honor. "Webster's" has since become a genericized trademark in the United States for English dictionaries, and is widely used in dictionary titles.
Merriam-Webster is the corporate heir to Noah Webster's original works, which are in the public domain.
Noah Webster's American Dictionary of the English Language
Noah Webster (1758–1843), the author of the readers and spelling books which dominated the American market at the time, spent decades of research in compiling his dictionaries. His first dictionary, A Compendious Dictionary of the English Language, appeared in 1806. In it, he popularized features which would become a hallmark of American English spelling (center rather than centre, honor rather than honour, program rat