Definitions:

1. A standard size of dry cell battery typically used in medium-drain devices such as toys, flashlights, and musical instruments. NOUN
   • She replaced the old C-battery in her portable radio.
2. A type of portable power source commonly used to provide electrical energy to a wide variety of electronic devices. NOUN
   • The remote control requires two C-batteries.

Synonyms:

• c size battery
• r14 battery