a group of two beats in a strong-weak pattern; a multiple of two beats in each repeated rhythm/measure duple meter a group of three beats in a strong-weak-weak pattern; a multiple of three beats in each repeated rhythm/measure triple meter unequal pairing of beats in a meter; a number of beats in each repeated rhythm/measure that is not a multiple of two or three irregular meter The pattern of repeated beats; number of beats in each repeated rhythm; number of beats in each measure
Music! Its Role and Importance in our Lives p597
Elements of Music 