What is the meaning of chains?

noun

• A series of things depending on each other as if linked together.
  • usage: "the chain of command"; "a complicated concatenation of circumstances"
  • synonyms: chain, concatenation
• Chemistry) a series of linked atoms (generally in an organic molecule. ()
  • synonyms: chain, chemical chain
• A series of (usually metal) rings or links fitted into one another to make a flexible ligament.
  • synonyms: chain
• Business) a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership.
  • synonyms: chain
• Anything that acts as a restraint.
  • synonyms: chain
• A unit of length.
  • synonyms: chain
• British biochemist (born in Germany) who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1906-1979.
  • synonyms: Chain, Ernst Boris Chain, Sir Ernst Boris Chain
• A series of hills or mountains.
  • usage: "the valley was between two ranges of hills"; "the plains lay just beyond the mountain range"
  • synonyms: range, mountain range, range of mountains, chain, mountain chain, chain of mountains
• A linked or connected series of objects.
  • usage: "a chain of daisies"
  • synonyms: chain
• A necklace made by a stringing objects together.
  • usage: "a string of beads"; "a strand of pearls";
  • synonyms: chain, string, strand
• Metal shackles; for hands or legs.
  • synonyms: irons

verb

• Connect or arrange into a chain by linking.
  • synonyms: chain
• Fasten or secure with chains.
  • usage: "Chain the chairs together"
  • synonyms: chain