Scan/skæn/ Definition 1 of 5Pro Tip 1/3Detailed Observation Usually implies carefully looking for specific information or details. She scanned the crowd for a familiar face. Pro Tip 2/3Active Engagement Involves actively seeking out information, not passively glancing. He scanned the report for the latest data. Pro Tip 3/3Visual Coverage Can suggest a sweeping look over a large area or range. The guard scanned the horizon for signs of the caravan.