GCA

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

• overdubs
• overdue
• overdust
• overdusted
• overdusting
• overdusts
• overdye
• overdyed
• overdyeing
• overdyes
• overearnest
• overeat
• overeaten
• overeating
• overeats
• overegg
• overegged
• overegging
• overeggs
• overelaborate
• over-emotional
• overemphases
• overemphasis
• overemphasise
• overemphasised