GCA

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

• sweirness
• sweirnesses
• sweirt
• swelchie
• swelchies
• swell
• swell box
• swell boxes
• swelldom
• swelldoms
• swelled
• swelled head
• swelled-headed
• swelled heads
• sweller
• swellers
• swellest
• swell-headed
• swelling
• swellingly
• swellings
• swellish
• swell-mob
• swell-mobs
• swell-mobsman