any member of a political party in medieval Italy that supported the authority of the pope in opposition to the aristocratic party of the Ghibellines
city in SE Ontario, Canada: pop. 96,000
See Guelph in American Heritage Dictionary 4
(gwĕlf)
A city of southern Ontario, Canada, west of Toronto. It is an industrial center in a farming area. Population: 115,000.
also Guelf(gwĕlf)
noun
A member of a strong faction in medieval Italy that supported the power of the pope and the city-states in a struggle against the German emperors and the Ghibellines.