A term applied to many different things. In surgery, it is the bandage worn round the bodies of persons afflicted with hernia, or rupture. In sea affairs, it is a certain combination of pulleys, "to bowse the truss-pendants taught." In agricultural affairs, it is a certain bundle of hay, or straw, etc. The truss of hay weighs 56 lbs., and 36 trusses make a load. In commerce, there are trusses of other articles, in which the quantities vary.