1. the rank, position, or commission of a colonel

Examples

• He was promoted to colonelcy after twenty years of distinguished service.
• The colonelcy came with increased responsibilities and a higher salary.
• She accepted the colonelcy and took command of the regiment.
• His colonelcy was confirmed by the military board last month.
• The path to colonelcy requires extensive training and experience.
• After retiring from his colonelcy, he wrote a memoir about military life.