• noun:   a series of (usually metal) rings or links fitted into one another to make a flexible ligament
• noun:   a necklace made by a stringing objects together;
• noun:   anything that acts as a restraint
• noun:   a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership
• noun:   a series of things depending on each other as if linked together

  Example: "The chain of command"

• noun:   (chemistry) a series of linked atoms (generally in an organic molecule)
• noun:   British biochemist (born in Germany) who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1906-1979)
• noun:   a unit of length
• noun:   metal shackles; for hands or legs
• noun:   a series of hills or mountains
• verb:   fasten or secure with chains

  Example: "Chain the chairs together"

• verb:   connect or arrange into a chain by linking
• name:  A surname (very rare: popularity rank in the U.S.: #22383)

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