'Coupling' definitions:

Definition of 'coupling'

From: WordNet
noun
A connection (like a clamp or vise) between two things so they move together [syn: yoke, coupling]
noun
A mechanical device that serves to connect the ends of adjacent objects [syn: coupling, coupler]
noun
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" [syn: coupling, mating, pairing, conjugation, union, sexual union]

Definition of 'Coupling'

From: GCIDE
  • Couple \Cou"ple\, v. t. [imp. & p. p. Coupled (k[u^]p"'ld); p. pr. & vb. n. Coupling (k[u^]p"l[i^]ng).] [F. coupler, fr. L. copulare. See Couple, n., and cf. Copulate, Cobble, v.] [1913 Webster]
  • 1. To link or tie, as one thing to another; to connect or fasten together; to join. [1913 Webster]
  • Huntsman, I charge thee, tender well my hounds, . . . And couple Clowder with the deep-mouthed brach. --Shak. [1913 Webster]
  • 2. To join in wedlock; to marry. [Colloq.] [1913 Webster]
  • A parson who couples all our beggars. --Swift. [1913 Webster]

Definition of 'Coupling'

From: GCIDE
  • Coupling \Coup"ling\ (-l?ng), n.
  • 1. The act of bringing or coming together; connection; sexual union. [1913 Webster]
  • 2. (Mach.) 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. [1913 Webster]
  • Box coupling, Chain 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. [1913 Webster]