Rental/ˈrentl/ Definition 1 of 3Pro Tip 1/3Temporary Use Rental emphasizes temporary possession often with a set return date. The novel's rental period expired, so she returned it to the library. Pro Tip 2/3Rental Service Variety Different types of services offer rentals, from vehicles to equipment. He needed a ladder for the project, so he found a tool rental company. Pro Tip 3/3Commercial Focus Often used in the context of businesses providing rental services. She visited a dress rental boutique for her prom outfit.