The term 'astraddle' is a combination of the words 'STRADDLING, ' 'ASTRIDE, ' 'ACROSS, ' and 'seated.' It is used to describe a position in which one is seated with their legs spread apart, either ACROSS an object or with one leg on either side. This position can be used for various activities such as riding a horse, playing a musical instrument, or even sitting in a chair. It is also commonly used in yoga and other forms of exercise.