1.A stem; a trunk. (Obs.) "Seest not this same hawthorn stud?"
2.(Arch.) An upright scanting, esp. one of the small uprights in the framing for lath and plaster partitions, and furring, and upon which the laths are nailed.
3.A kind of nail with a large head, used chiefly for ornament; an ornamental knob; a boss. "A belt of straw and ivy buds, With coral clasps and amber studs." "Crystal and myrrhine cups, embossed with gems And studs of pearl."
4.An ornamental button of various forms, worn in a shirt front, collar, wristband, or the like, not sewed in place, but inserted through a buttonhole or eyelet, and transferable.
6.An iron brace across the shorter diameter of the link of a chain cable.