dinner pill

Noun

 * 1)  A pill to aid the digestion.
 * 2) * 1858 May 8, John Addington Symonds, “On Headache”, Lecture III of the Gulstonian Lectures for 1858 at the Royal College of Physicians, printed in The Medical Times and Gazette, John Churchill and Sons, page 472:
 * Suggest a dinner-pill or a seidlitz powder, and his face is convulsed with a fanatical pharmacophobia!