Posted in Aviation, Business & Finance, Legal, Schools & Education, Science CAIL stands for Center for American and International Law (Plano, TX) CAIL stands for Colorado Academy of Independent Learners (Peyton, CO) CAIL stands for Canadian Airlines International Limited CAIL stands for Cater Allen International Limited (investment services; UK) CAIL stands for CEV (Crew Exploration Vehicle) Avionics Integration Laboratory (NASA Orion CEV Project Space Shuttle replacement)