Plug rod

(Steam Eng.) , a rod attached to the beam for working the valves, as in the Cornish engine.

See also: Plug

References in periodicals archive ?
I'd been told by several people to bring a light spinning rod and a heavy plug rod to fish the channels and coral heads.
A plug rod rigged with at least 200 yards of 15-pound monofilament and a wire leader will usually handle any shark you will see.
Six- to 8-pound spinning rods or a 12-pound plug rod is adequate.
If fly fishing ain't your air bladder, try a short spin or plug rod with any of a number of your favorite lures, only smaller.