ca meaning and definition

CA noun

Definition of Ca (noun)

1. a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
   • synonyms: atomic number 20, calcium
2. a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes
   • synonyms: Calif., California, Golden State