This is the 3481st most frequent Korean word.
마실
A casual stroll or visit, often to a neighbor's house or nearby place.
Here, '마실' refers to going out or strolling casually.
친구와 함께 동네를 마실 갔어요.
I went out for a walk around the neighborhood with a friend.
In this sentence, '마실' is used to describe the act of going outside for leisure.
마실 나온 사람들이 공원에 많이 있어요.
There are many people who came out for a walk in the park.
Here, '마실' is used metaphorically to denote a short trip or outing.