[n] a series of (usually metal) rings or links fitted into one another to make a flexible ligament
[n] a necklace made by a stringing objects together; "a string of beads" or"a strand of pearls"
[n] anything that acts as a restraint
[n] metal shackles; for hands or legs
[n] a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership
[n] a series of things depending on each other as if linked together; "the chain of command"; "a complicated concatenation of circumstances"
[n] a series of linked atoms (generally in an organic molecule)
[n] a series of hills or mountains; "the valley was between two ranges of hills"; "the plains lay just beyond the mountain range"
[n] British biochemist (born in Germany) who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1906-1979)
[n] a unit of length
[v] fasten or secure with chains; "Chain the chairs together"
[v] connect or arrange into a chain by linking