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

The locket was a link with the past.

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

a link of hair.

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

Surveying, Civil Engineering .

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

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

Chemistry . bond 1 ( def. 15 ) .

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 fol. by up )

The new bridge will link the island to the mainland. The company will soon link up with a hotel chain.