RhymeZone: nca definitions

Definitions of NCA:

noun: (cheerleading) Initialism of National Cheerleaders Association.
noun: (government, US) Initialism of National Command Authority.
noun: (electrochemistry) Initialism of nickel-cobalt-aluminum. (a type of lithium cell chemistry)
noun: Initialism of national capital area.

(Definitions from Wiktionary)