The noun has 3 meanings:
Meaning #1:
the eldest son of Elizabeth II and heir to the English throne (born in 1948)
Synonym: Prince Charles
Meaning #2:
French physicist and uathor of Charles's law which anticipated Gay-Lussac's law (1746-1823)
Synonyms: Jacques Charles, Jacques Alexandre Cesar Charles
Meaning #3:
a river in eastern Massachusetts that empties into Boston Harbor and that separates Cambridge from Boston
Synonym: Charles River




