thesmŏphŏrĭa, ōrum, n., = θεσμοφόρια, τά,
the festival of Demeter or Ceres ( as lawgiver ) among the Greeks , Plin. 24, 9, 38, § 59; Arn. 5, 173; Macr. S. 3, 12; Hyg. Fab. 147.