GCA

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

• cathedratic
• Catherine pear
• Catherine-wheel
• catheter
• catheterisation
• catheterise
• catheterised
• catheterising
• catheterism
• catheterisms
• catheterization
• catheterize
• catheterized
• catheterizing
• catheters
• cathetometer
• cathetometers
• cathetus
• cathetuses
• cathexes
• cathexis
• cathinone
• cathinones
• cathisma
• cathismas