1. to change the gears or gear ratio of a machine or vehicle
Usage: technical
2. to reorganize or restructure something to operate differently
Usage: informal

Examples

• The mechanic had to regear the transmission for better performance.
• They decided to regear the bicycle for mountain climbing.
• The company plans to regear its operations for the digital age.
• We need to regear our approach to marketing.
• The factory will regear production to meet new demand.
• He regeared his motorcycle for racing.