- A stopper - Advertise - Blatant promotion of Seal - Engine part, spark ... - Stopper - Stopper for a bath - Any piece of wood, metal, or other substance used to stop or
fill a hole; a stopple.
- Engine part - A lever or projection moved by some other piece, as a cam,
or intended to tap or touch something else, with a view to produce
change or regulate motion.
- Engine part - Tips out on part of engine - A sliding piece which either is moved by, or moves against,
fluid pressure. It usually consists of a short cylinder fitting within
a cylindrical vessel along which it moves, back and forth. It is used
in steam engines to receive motion from the steam, and in pumps to
transmit motion to a fluid; also for other purposes.