The crossword solutions for the term BIT IN TRAIL MIX are NUT, which is a three letter word. Nuts are a type of dry fruit with a hard shell and edible kernel. They are a popular snack food and often used in trail mix, a combination of dried fruits, nuts, and sometimes chocolate chips. The NUT most commonly found in trail mix is the peanut, but other types of nuts such as almonds, cashews, and walnuts are also used.