Source : Webster's Revised Unabridged Dictionary (1913)

   {Saint Martin's summer}, a season of mild, damp weather
      frequently prevailing during late autumn in England and
      the Mediterranean countries; -- so called from St.
      Martin's Festival, occurring on November 11. It
      corresponds to the Indian summer in America. --Shak.
      --Whittier.

   {Saint Patrick's cross}. See Illust. 4, under {Cross}.

   {Saint Patrick's Day}, the 17th of March, anniversary of the
      death (about 466) of St. Patrick, the apostle and patron
      saint of Ireland.

   {Saint Peter's fish}. (Zo["o]l.) See {John Dory}, under
      {John}.

   {Saint Peter's-wort} (Bot.), a name of several plants, as
      {Hypericum Ascyron}, {H. quadrangulum}, {Ascyrum stans},
      etc.

   {Saint Peter's wreath} (Bot.), a shrubby kind of Spir[ae]a
      ({S. hypericifolia}), having long slender branches covered
      with clusters of small white blossoms in spring.

   {Saint's bell}. See {Sanctus bell}, under {Sanctus}.

   {Saint Vitus's dance} (Med.), chorea; -- so called from the
      supposed cures wrought on intercession to this saint.