What is "glendower"

Glendower can refer to:

• Owain Glyndŵr (Owen Glendower), a medieval Welsh nobleman
• Glendower State Memorial, a historic house in Lebanon, Ohio
• Shandon, Ohio, which was originally called Glendower
• Glendower Circuit, a region in Scarborough, Ontario, Canada
• The Glendower (whiskey), a brand of Scotch whisky