link

one of the rings or separate pieces of which a chain is composed.

anything serving to connect one part or thing with another; a bond or tie.

a unit in a communications system, as a radio relay station or a television booster station.

any of a series of sausages in a chain.

a cuff link.

a ring, loop, or the like.

Also called hyperlink. Digital Technology. 

1. an object, as text or graphics, linked through hypertext to a document, another object, etc..

   Click on the link below to read the full article.

2. the connection between elements linked by hypertext, or the code or tag content required to make such a connection.

   The website was full of broken links, typos, and images that failed to load.

Surveying, Civil Engineering. 

1. (in a surveyor's chain) a unit of length equal to 7.92 inches (20.12 centimeters).

2. one of 100 rods or loops of equal length forming a surveyor's or engineer's chain.

Chemistry. bond.

Machinery. a rigid, movable piece or rod, connected with other parts by means of pivots or the like, for the purpose of transmitting motion.

to join by or as if by a link or links; connect; unite (often followed byup ).

Digital Technology. to create digital connections between web pages or between elements on web pages using hypertext, or to have such links on or to a web page or electronic document.