Noun arthur has 2 senses
- Arthur, Chester A. Arthur, Chester Alan Arthur, President Arthur - elected Vice President and became 21st President of the United States when Garfield was assassinated (1830-1886)
--1 is a kind of President of the United States, United States President, President, Chief Executive
- Arthur, King Arthur - a legendary king of the Britons (possibly based on a historical figure in the 6th century but the story has been retold too many times to be sure); said to have led the Knights of the Round Table at Camelot
--2 is a kind of fictional character, fictitious character, character
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