Definition of "CAC"

(finance) Initialism of collective action clause.  examples

(military, US) Initialism of Common Access Card.

Initialism of Central Asian country.  examples

(US, slang, derogatory, ethnic slur, neologism, offensive) Initialism of cracker-ass cracker.

(business) Initialism of customer acquisition cost (“cost associated in convincing a customer to buy a product”).  examples

(finance) Initialism of Cotation Assistée en Continu. (Continuous Assisted Quotation), an indexing system used on the Euronext Paris electronic stock exchange.  examples