Dichotomous is a term used to describe something that is divided into two parts. It is derived from the Greek words 'dikho' and 'tomos' which mean 'to divide in two'. The crossword solution for this term is 'DUAL', which means having two parts or components. This term is often used to describe situations where there are two distinct choices or outcomes. For example, a dichotomous decision might be whether to go left or right.