As a noun, a stroll is a leisurely walk. After a heavy meal, you may want to go out for a stroll to help you work off some of the calories. You also will take a stroll on your day off and the weather is nice.
The word stroll originally came to English through the German word strollen, which means to wander aimlessly. The word stroll can also be used as a verb meaning to take a leisurely walk in which you do some wandering. You may enjoy a stroll through the park, along the beach, or down the city streets — take your time.