COUPLING n.
pling. See under Box, Chain. -- Coupling box, a coupling shaped like a journal box, for clamping together the ends of two shafts, so that they may revolve together. -- Coupling pin, a pin or bolt used in coupling or joining together railroad cars, etc.
SIDE a.
, a glance or brief look to one side. -- Side hook (Carp.), a notched piece of wood for clamping a board to something, as a bench. -- Side lever, a working beam of a side-lever engine. -- Side-lever engine, a marine steam engine having a working beam of each side of the cylinder, near the bottom of the engine, commu…