Runnymede is a proper noun referring to a historically significant meadow on the River Thames in England, famed as the site of the 1215 Magna Carta negotiations. The name is used primarily as a geographic toponym or institution name (e.g., Runnymede Trust). It denotes a specific place rather than a common noun, and pronunciation is stable across dialects, though stress and syllable rhythm can vary with speaker background.
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