A surname. / An unincorporated community in Reynolds County, Missouri, United States. / An unincorporated community in Chitwood County, Oregon, United States.

plural of rondalla

(physics) A naturally-occurring radioactive isotope of potassium, ⁴⁰₁₉K, having nineteen protons and twenty-one neutrons, and a half-life of 1.3 billion years; it is the chief source of natural rad...

Having an estuary.