(Internet) The study of the linked structure of the World Wide Web.

(engineering, dated) A valve gear consisting of two eccentrics with their rods, giving motion to a slide valve by an adjustable connecting bar (the link) in such a way that the motion of the engine can be reversed, or the cut-off varied.

plural of link motion

Alternative form of linkrot

(Internet, Wiktionary and WMF jargon) A red hyperlink that directs to a nonexistent page of a wiki.

(historical) A boy employed to carry a torch or other light at night to help people navigate through the streets.

(SEO) Links added to a web page for the purpose of spamdexing.

Alternative spelling of cufflink

(topology) A link with a standard projection comprising several tangles, each a braid on two strands, with the tangles arranged in some cyclic order.

(computing) A program that links modules together, by resolving calls or references to external names, to form a single executable program