What does the word parasite mean?

Usage examples for parasite

  1. If you are, leave this luxuriant parasite alone and let some one else struggle with it. – If You're Going to Live in the Country by Thomas H. Ormsbee and Richmond Huntley
  2. The history of the egg parasite after the laying of the egg seems to be comparatively simple. – Butterflies Worth Knowing by Clarence M. Weed