GCA

1. Ground control (or controlled) approach system, or ground control apparatus (aeronautics)
2. Guatemala, Central America (IVR)

• perpendicular
• perpendicularity
• perpendicularly
• perpendiculars
• Perpendicular style
• perpending
• perpends
• perpent
• perpetrable
• perpetrate
• perpetrated
• perpetrates
• perpetrating
• perpetration
• perpetrations
• perpetrator
• perpetrators
• perpetuable
• perpetual
• perpetual calendar
• perpetual calendars
• perpetual check
• perpetual curate
• perpetual curates
• perpetualism