What does the word links mean?

Usage examples for links

  1. He began to walk forward across the links to meet the boat, and I followed a step or two behind. – New-Arabian-Nights by Stevenson, Robert Louis
  2. There is no ground for the supposition that any important connecting links have been lost. – Christology of the Old Testament: And a Commentary on the Messianic Predictions, v. 1 by Ernst Wilhelm Hengstenberg
  3. All the links of the chain must be separated, one by one. – The Women of the Arabs by Henry Harris Jessup
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