from The American Heritage® Dictionary of the English Language, 4th Edition
- McGwire, Mark David Born 1963. American baseball player. In 1987 he broke the single-season record for home runs hit by a rookie, and in 1998 he set a new record for home runs hit in one season, surpassing Roger Maris and Sammy Sosa, by hitting 70.
Sorry, no etymologies found.