Englishfor English speakers
coupling
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noun
(= yoke)
a connection (like a clamp or vise) between two things so they move together
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noun
a mechanical device that serves to connect the ends of adjacent objects
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noun
(= mating, pairing)
the act of pairing a male and female for reproductive purposes
the casual couplings of adolescents
the mating of some species occurs only in the spring
axle
Noun
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An axle is the pin or spindle on which a wheel revolves, or which revolves with a wheel.
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An axle is a transverse bar or shaft connecting the opposite wheels of a vehicle.