What does the word incursion mean?

Usage examples for incursion

  1. Yet the dead reeds, in spite of this change, remained standing in the soft mud, enabling us to conceive how easily the larger Sigillariae, hollow as they were but supported by strong roots, may have resisted an incursion of the sea. – The Student's Elements of Geology by Sir Charles Lyell
  2. Arnold's incursion into the field of religion has been looked upon by many as a mistake. – Selections from the Prose Works of Matthew Arnold by Matthew Arnold
  3. Feeling that his cousin Frederic van den Berg, who had been despatched from before Ostend to command the relieving force near Bois- le- Duc, might take advantage of the prematurely frozen canals and rivers to make an incursion into Holland, he left his city just as his works had been sufficiently advanced to ensure possession of the prize, and hastened to protect the heart of the republic from possible danger. – Project Gutenberg History of The Netherlands, 1555-1623, Complete by John Lothrop Motley