from The Century Dictionary and Cyclopedia
- n. A chain-link having a movable section, so that it can be used to unite two portions of a chain. Also called coupling-link.
- n. Figuratively, anything that links or joins one thing to another; that which serves to connect or unite members of a series, or to fill a hiatus between them: as, a connecting-link in an argument, or in a chain of evidence; a connecting-link between two orders of being.
Sorry, no etymologies found.