| 单词 | coupling-pin | 
| 释义 | > as lemmascoupling-pin   coupling-pin  n. a pin used for coupling railway carriages, etc. (see also quot. 1874 for coupling-link n.). ΘΚΠ society > occupation and work > equipment > building and constructing equipment > fastenings > 			[noun]		 > pin or peg > other types of pin or peg shackle-pin1446 corking-pin?1690 drawing pin1812 eye ring1836 pound pins1838 coupling-pin1874 1874    E. H. Knight Pract. Dict. Mech.  				Coupling-pin (Vehicle), A bolt which fastens the hind hounds to the coupling-pole, which is attached to the fore-gears by the king-bolt. 1887    M. Roberts Western Avernus 239  				He..fetches a coupling-pin (of iron, about one inch thick and ten inches long)..and lets drive at me. < as lemmas | 
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