1. courses or training sessions designed to update or review knowledge and skills
Usage: plural form
2. things that refresh or revive, especially drinks or snacks
Usage: plural form; informal

Examples

• The company offers refreshers for employees to stay current with new technology.
• All pilots must complete annual refreshers on safety procedures.
• The medical staff attended refreshers on the latest treatment protocols.
• She signed up for refreshers in Spanish before her trip to Mexico.
• The host served light refreshers during the afternoon meeting.
• Cold refreshers were available at the outdoor event.
• The conference provided refreshers between sessions to keep attendees energized.