Main definitions of ca in US English:

: ca1Ca2CA3

ca1

(also ca.)

abbreviation

  • (preceding a date or amount) circa.

Main definitions of ca in US English:

: ca1Ca2CA3

Ca2

  • The chemical element calcium.

Main definitions of ca in US English:

: ca1Ca2CA3

CA3

abbreviation

  • 1California (in official postal use).

  • 2Canadian Scottish Chartered accountant.

  • 3Central America.

  • 4Chief accountant.