Source : Webster's Revised Unabridged Dictionary (1913)

Water brash \Wa"ter brash`\ (Med.)
   See under {Brash}.

Brash \Brash\, n. [See {Brash} brittle.]
   1. A rash or eruption; a sudden or transient fit of sickness.

   2. Refuse boughs of trees; also, the clippings of hedges.
      [Prov. Eng.] --Wright.

   3. (Geol.) Broken and angular fragments of rocks underlying
      alluvial deposits. --Lyell.

   4. Broken fragments of ice. --Kane.

   {Water brash} (Med.), an affection characterized by a
      spasmodic pain or hot sensation in the stomach with a
      rising of watery liquid into the mouth; pyrosis.

   {Weaning brash} (Med.), a severe form of diarrhea which
      sometimes attacks children just weaned.