01 n. The act of bringing or coming together; connection; sexual union.
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1.
The act of bringing or coming together; connection; sexual union.
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2.
A device or contrivance which serves to couple or connect adjacent parts or objects; as, a belt coupling, which connects the ends of a belt; a car coupling, which connects the cars in a train; a shaft coupling, which connects the ends of shafts.(Mach.)
Phrases & compounds
Box coupling —
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.