What does the word obstruction mean?

Usage examples for obstruction

  1. The intervening forest concealed from Sherman the fact that, though he was more than three miles from the town, he was now less than a mile from the main defences of Corinth, that he was between the creeks, and there was no obstruction but the forest between him and the works. – From Fort Henry to Corinth by Manning Ferguson Force
  2. In the meanwhile I offer no further obstruction to the course which you propose taking. – The New Magdalen by Wilkie Collins
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