One releasing property from the incumbrance of a mortgage or similar pledge upon payment or performance of tlie conditions; more specifically, where a deed of trust to one or more trustees has been executed, pledging real property for the payment of a debt or the performance of other conditions, substantially as in the case of a mortgage, a deed of release is the conveyance executed by the trustees, after payment or performance,for the purpose of divesting themselves of the legal title and reverting it in the original owner. See Swain v. McMillan, 30 Mont. 433, 70 Pac. 943
