Definitions from Wiktionary ( )

▸ noun:  A village in Walloon Brabant, Belgium; the site of a major military battle in 1815.
▸ noun:  A battle fought at Waterloo, Belgium on June 18, 1815, resulting in the epic, final defeat of Napoleon Bonaparte.
▸ noun:  The name of any of several villages, towns, and cities around the world.
▸ noun:  A place in Canada:
▸ noun:  A rural community of Lunenburg County, Nova Scotia.
▸ noun:  A regional municipality and city in Ontario, Canada.
▸ noun:  A city in La Haute-Yamaska regional county municipality, Estrie, Quebec.
▸ noun:  A number of places in the United States:
▸ noun:  A census-designated place in San Joaquin County, California.
▸ noun:  A city, the county seat of Monroe County, Illinois.
▸ noun:  A town in Grant Township and Smithfield Township, DeKalb County, Indiana.
▸ noun:  A township and unincorporated community therein, in Fayette County, Indiana.
▸ noun:  An unincorporated community in White River Township, Johnson County, Indiana.
▸ noun:  A city, the county seat of Black Hawk County, Iowa.
▸ noun:  A village and town, the county seat of Seneca County, New York.
▸ noun:  A town in Grant County, Wisconsin.
▸ noun:  A town and city therein, in Jefferson County, Wisconsin.
▸ noun:  A number of other townships in the United States, listed under Waterloo Township.
▸ noun:  A number of places in the United Kingdom:
▸ noun:  A district and large railway terminus in central London, England (OS grid ref TQ3180).
▸ noun:  A hamlet in Blisland parish, Cornwall, England (OS grid ref SX1072).
▸ noun:  A northern suburb of Poole, Dorset, England (OS grid ref SZ0094).
▸ noun:  Former name of Waterlooville, Hampshire, although Waterloo is still the name of a council ward in Waterlooville for Havant borough.
▸ noun:  A small suburb in Blackburn with Darwen, Lancashire, England (OS grid ref SD6625).
▸ noun:  A suburb of Crosby, Sefton borough, Merseyside, England (OS grid ref SJ3198).
▸ noun:  A small village in Broadland district, Norfolk, England (OS grid ref TG2219).
▸ noun:  A small village in South Norfolk district, Norfolk (OS grid ref TM1479).
▸ noun:  A hamlet in Whixall parish, Shropshire, England (OS grid ref SJ4933).
▸ noun:  An eastern suburb of Huddersfield, Kirklees borough, West Yorkshire, England (OS grid ref SE1716).
▸ noun:  A hamlet in Rudry community, Caerphilly county borough, Wales (OS grid ref ST1988).
▸ noun:  A suburb of Pembroke Dock, Pembrokeshire, Wales (OS grid ref SM9703).
▸ noun:  A city in the Western Area of Sierra Leone.
▸ noun:  A place in Australia:
▸ noun:  An inner southern suburb of Sydney, New South Wales.
▸ noun:  A rural locality in the Bundaberg Region, Queensland.
▸ noun:  A settlement in Clare and Gilbert Valleys council area, South Australia.
▸ noun:  A locality in Pyrenees Shire, Victoria.
▸ noun:  A small town in the Shire of Dardanup, Western Australia.
▸ noun:  A suburb of Lower Hutt, New Zealand.
▸ noun:  A barangay of Matalom, Leyte, Philippines
▸ noun:  Often in the term meet one's Waterloo: a notable and decisive defeat following an encounter with a powerful opponent or a problem that is too difficult.

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