ncaa definition
The National Collegiate Athletic Association (NCAA) is a non-profit association which regulates athletes of 1,281 institutions; conferences; organizations; and individuals.or several years, the NCAA was a discussion group and rules-making body, but in 1921 the first NCAA national championship was conducted: the National Collegiate Track and Field Championships. Gradually, more rules committees were formed and more championships were created, including a basketball championship in 1939.