(construction) A vertical post, especially one of the small uprights in the framing for lath and plaster partitions, and furring, and upon which the laths are nailed.
(obsolete) A stem; a trunk.
(poker) A type of poker where an individual cannot throw cards away and some of her cards are exposed (also stud poker).
(engineering) A short rod or pin, fixed in and projecting from something, and sometimes forming a journal.
(engineering) A stud bolt.
An iron brace across the shorter diameter of the link of a chain cable.
Verb
To set with studs; to furnish with studs.
To be scattered over the surface of (something) at intervals.