Definitions:

1. In historical or ceremonial contexts, might denote 'Royal Crown', referring to the ceremonial headgear worn by monarchs as a symbol of their authority and sovereignty. ABBREVIATION
   • During the coronation ceremony, the monarch was presented with the R.C. as a symbol of their authority.
2. Refers to 'remote control', indicating a device used to operate another device wirelessly from a distance. ABBREVIATION
   • He spent the afternoon playing with his R.C. car in the park.
3. Refers to 'Roman Catholic', denoting the branch of Christianity headed by the Pope in Vatican City. ABBREVIATION
   • The R.C. Church has a rich tradition of art and architecture that spans centuries.

Synonyms:

• remote control
• Roman Catholic
• royal crown