Leasehold definition including break down of areas in the definition. Analyzing the definition of key term often provides more insight about concepts. Leasehold can be defined as: Rights the lessor grants to the lessee under the terms of a lease. When thinking about leasehold we are thinking an item that is being leased and two parties being involved, lessee and lessor. The lessor is leasing the property to the lessee, leasehold being the rights that the lessor grants. A lease transaction is not very difficult but keeping the term of lessor, lessee, and leasehold straight can be difficult.