In the vernacular, this term means desiccated or free from moisture; but, in legal use, it signifies formal or nominal, without imposing any duty or responsibility, or unfruitful, without bringing any profit or advantage. Dry exchange. See Exchange. Dry mortgage. One which creates a lien on land for the payment of money, but does not impose any personal liability upon the mortgagor, collateral to or over and above the value of the premises. Frowenfeld v. Hastings, 134 Cal. 128, 66 Pac. 178. Dry multures. In Scotch law. Corn paid to the owner of a mill, whether the payers grind or notDry rent. Rent seek; a rent reserved without a clause of distress. Dry trust. A passive trust; one which requires no action on the part of the trustee beyond turning over money or property to the cestui que trust. Bradford v. Robinson, 7 Houst. (Del.) 29, 30 Atl. 670; Cornwell v. Wulff, 148 Mo. 542, 50 S. W. 439, 45 L. R. A. 53. Dry weight. In tariff laws, this term does not mean the weight of an article after desiccation in a kiln, but its air dry weight as understood in commerce. U. S. v. Perkins, 66 Fed. 50. 13 O. C. A. 324.