(Internet, informal, derogatory) The practice of going out of one's way to place links to one's website on someone else's web page.

(Internet) An element of text on a web page, used to access other web pages.

A string with clips on each end to hold socks together as a pair before placing them in the wash.

(chemistry) To join polymer chains together to form one single molecule. An object made from a crosslinked material contains only one supergiant molecule. Crosslinking may take place through covalent bonds or ionic bonds

(chemistry) A covalent bond (or series of bonds) between adjacent chains of a polymer / (biochemistry) A similar bond between strands of nucleic acid

The part of a system that is most likely to fail or cause problems.

(colloquial) A hypothetical primate once thought necessary to explain a perceived evolutionary gap between apes and humans. / (figuratively) Any sought-after or valuable intermediary figure or position.

(firearms) A pressed metal or plastic link, used to join cartridges for a machine gun. When the cartridge is removed during loading, the link is expelled.

(slang, Internet, derogatory) Someone who goes to great lengths to get other people to link to his/her website or blog.

(Internet) A hyperlink that links to another website or domain.