The phrase "main aisle" refers to the central pathway or walkway in a large space, such as a supermarket or a church, where people can move around to access different areas or sections. Full definition
Down the Fresh aisle, there are three main aisles running perpendicular that intersect the Home entrance aisle, one of which is just in front of the pet department. (thepetaisle.com)
The Fresh entrance main aisle extends to the back of the store with 15 perpendicular aisles of food and food - related products. (thepetaisle.com)
A Marmoleum main aisle guides shoppers along a circular track around the store, while reinforcing the warehouse background with a natural concrete color. (nreionline.com)