The Weather Stress Index, or WSI, is a relative measure of the weather conditions, often used as a comfort indicator. The index, a number between 0 and 100, represents the percentage of time in the past with temperatures below the current temperature, for a given location, day and time.
Best Answer:  A free lease means that the horse is leased to someone without any payment to the owner. Now, depending on the contract, the person leasing the horse may have to pay for board, vet, farrier, etc. although some lease agreements may require the owner to pay those bills.
Freebase (0.00 / 0 votes) Rate this definition: Leasing. Leasing is a process by which a firm can obtain the use of a certain fixed assets for which it must pay a series of contractual, periodic, tax deductible payments. The lessee is the receiver of the services or the assets under the lease contract and the lessor is the owner of the assets. The relationship between the tenant and the landlord is called a tenancy, and can be for a fixed or an indefinite period of time. The consideration for the lease is called rent.