1. boarding an airplane; the act of getting on or into an aircraft
Usage: present participle of enplane; aviation/travel context

Examples

• Passengers are enplaning now at Gate 5.
• The crew began enplaning the first-class passengers ahead of schedule.
• We spent an hour enplaning before the flight finally departed.
• The airline streamlined the enplaning process to reduce boarding time.
• Families with young children were enplaning first.