To form (a web, a cocoon, silk, etc.) from threads produced by the extrusion of a viscid, transparent liquid, which hardens on coming into contact with the air; said of the spider, the silkworm, etc.
To shape, as malleable sheet metal, into a hollow form, by bending or buckling it by pressing against it with a smooth hand tool or roller while the metal revolves, as in a lathe.
An abnormal condition in journal bearings where the bearing seizes to the shaft that is rotating and rotates inside the journal, destroying both the shaft and the journal.