1. designed or used to defend against or attack aircraft
Usage: commonly used in military contexts

1. weapons, systems, or units designed to defend against or attack aircraft
Usage: plural form; military term

Examples

• The military deployed antiaircrafts around the airbase.
• Antiaircrafts guns were positioned on the rooftop.
• Modern antiaircrafts systems use radar guidance.
• The base's antiaircrafts defenses were upgraded last year.
• Soldiers trained extensively on the new antiaircrafts equipment.