What does the word brain mean?

Usage examples for brain

  1. Its brain received instantly all 'my' training, so that it became at once 'mature. – The Short Life by Francis Donovan
  2. On this occasion my heart proved too strong for my brain; such has often been the case with me. – The Memoires of Casanova, Complete The Rare Unabridged London Edition Of 1894, plus An Unpublished Chapter of History, By Arthur Symons by Jacques Casanova de Seingalt
  3. Was it only the brain that had to do with the making of them? – David Elginbrod by George MacDonald