现代英汉综合大词典：
coupling
n.
耦接头
联结器， 连接盘， 联合器； 接缝
管接
联轴节， (火车的)车钩
【电】耦合； 交感〔作用〕
配合， 结合
运用， 贯彻， 推广
coupling science to production
将科学运用到生产中去
柯林斯英语大辞典：
coupling
[ˈkʌplɪŋ]
n
a mechanical device that connects two things
a device for connecting railway cars or trucks together
the part of the body of a horse, dog, or other quadruped that lies between the forequarters and the hindquarters
the act or process of linking two or more circuits so that power can be transferred between them usually by mutual induction, as in a transformer, or by means of a capacitor or inductor common to both circuitsSee direct coupling
an interaction between different properties of a system, such as a group of atoms or nuclei, or between two or more systems
the occurrence of two specified nonallelic genes from the same parent on the same chromosome
参考资料：http://www.iciba.com/coupling/