GCA

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

• bilimbi
• bilimbing
• bilimbis
• bilinear
• bilingual
• bilingualism
• bilingualisms
• bilingually
• bilinguist
• bilinguists
• bilious
• biliously
• biliousness
• biliousnesses
• bilirubin
• bilirubins
• biliteral
• biliverdin
• biliverdins
• bilk
• bilked
• bilker
• bilkers
• bilking
• bilks