Look up oak, OAK, or o'ak in Wiktionary, the free dictionary.
An oak is a tree or shrub in the genus Quercus in the plant family Fagaceae. When all capitalized, OAK most frequently refers to San Francisco Bay Oakland International Airport in Oakland, California.
This disambiguation page lists articles associated with the title Oak. If an internal link led you here, you may wish to change the link to point directly to the intended article.