Guelph

¹ American  

[gwelf] / gwɛlf /

Or Guelf

noun

1. a member of the political party in medieval Italy and Germany that supported the sovereignty of the papacy against the German emperors: opposed to the Ghibellines.

2. a member of a secret society in Italy in the early 19th century that opposed foreign rulers and reactionary ideas.

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Guelph ² American  

[gwelf] / gwɛlf /

noun

1. a city in SE Ontario, in S Canada.

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Guelph ¹ British  

/ ɡwɛlf /

noun

1. a member of the political faction in medieval Italy that supported the power of the pope against the German emperors Compare Ghibelline

2. a member of a secret society in 19th-century Italy opposed to foreign rule

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Guelph ² British  

/ ɡwɛlf /

noun

1. a city in Canada, in SE Ontario. Pop: 106 920 (2001)

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Other Word Forms

• Guelfism
  noun
• Guelphism
  noun
• Guelfic
  adjective
• Guelphic
  adjective

Etymology

Origin of Guelph

1570–80; < Italian Guelfo < Middle High German Welf name of founder of a princely German family

Example Sentences

See Examples For:

Guelph

Dr. Geoffrey Wood, a University of Guelph pathobiology professor and co-senior author of the study, said that gap has now begun to close.

From Science Daily ● Sep. 27, 2026

Tirtha Dhar, a marketing professor who studies consumer choice at the University of Guelph in Canada, says cold drinks have become a "sweet spot" for Starbucks' bottom line.

From BBC ● Aug. 29, 2026

For 21-year-old Vedant Vyas, this meant taking an indefinite leave from the University of Guelph in Ontario, Canada, last April so he could work full-time on his AI startup, Opennote.

From The Wall Street Journal ● Mar. 22, 2026

Avocados may also help people manage obesity and even prevent diabetes, according to researchers at the University of Guelph, near Toronto.

From MarketWatch ● Feb. 7, 2026

Attached to the Guelph party, it remained undivided against itself.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 9 "Dagupan" to "David" by Various