What does the word explain mean?

Usage examples for explain

  1. I can't explain it to myself. – Foe-Farrell by Arthur Thomas Quiller-Couch
  2. Let me explain, Jack. – The New Rector by Stanley J. Weyman
  3. No, no, we said, come in; come in and explain. – Twenty Years of Hus'ling by J. P. Johnston