Aisle/aɪl/ Definition 1 of 4Pro Tip 1/3Physical Space Refers to a specific path meant for walking within a constrained area. Let's meet in the grocery aisle by the cereals. Pro Tip 2/3Obstacle Avoidance Used to indicate the need to clear any items or obstructions on the path. Please clear the aisle so the staff can restock the shelves. Pro Tip 3/3Common Setting Often found where organization of space is needed for easy navigation. During the conference, vendors displayed their products along the main aisle.