n. A stout knife or dagger.n. A small spade, or a spade having a small blade, with a handle of any length; a small cutting-blade fixed in the axis of its handle, somewhat like a chisel with a very long handle, for cutting the roots of weeds without stooping.n. A spade-shaped tool for recovering lost or broken tools in a tube-well.n. A nail driven into the timbers of a drift or shaft, or fastened in some other way, so as to mark a surveying-station.n. Any short and thick thing: usually in contempt.To remove by means of a spud: often with up or out.To drill (a hole) by spudding (which see, below).n. A curved chisel-like tool for removing bark.n. One of several heavy vertical pieces of timber shod with a pointed iron at the lower end, arranged to slide in guides on a floating dredge. When lowered to the bottom the spuds anchor the dredge and hold it in place against the push of the dredging machinery.n. In archaeology, one of a class of pecked or polished stone implements varying considerably in size and form, but always having a rather broad blade with a sort of handle of variable length: often referred to as spade-like or paddle-shaped implements.n. In surgery: A flat spade-like instrument used for the detachment of soft parts from bone.n. An instrument of similar shape used in the extraction of foreign bodies from the eye.