Serving to bind, fasten, or connect; making fast.Having power to bind or oblige; obligatory: as, a binding engagement.Astringent.Causing constipation; constipating.n. The act or action of making fast, securing, uniting, etc., in any sense of the verb bind: as, the binding of prisoners; wire that serves for binding.n. Anything that binds; a bandage; the cover of a book, with the sewing and accompanying work; something that secures the edges of cloth or of a garment.n. In fencing, a method of securing the adversary's sword, consisting in crossing it with a pressure, accompanied with a spring of the wrist.n. plural In ship-building, the beams, transoms, knees, wales, keelson, and other chief timbers used for connecting and strengthening the various parts of a vessel. Also called binders.n. The condition assumed by adhesive soils in hot dry seasons; a similar condition in the soil of flowerpots in which plants have been kept too long or too dry; closeness, dryness, or hardness of texture.n. In machinery, the prevention of free motion in one part of a machine by the sagging or any deviation from a straight line of another portion.n. A projection of a part of a structure or machine by which parts intended to touch are prevented from coming into perfect contact.n. Nautical, a wrought-iron ring around a dead-eye.