Rucksack/ˈrʌksæk/ Definition 1 of 1Pro Tip 1/3Use Context Often mentioned with outdoor activities like hiking and camping where items are carried. She checked her rucksack before the hike. Pro Tip 2/3Travel Companion Commonly used to refer to a convenient travel bag that can fit many items. His rucksack was ready for the world tour. Pro Tip 3/3Heavy Burden Often used to describe something that is cumbersome to carry or a heavy load. The rucksack felt heavier with every step.