P0581300 (prō′ĕm′)n. An introduction; a preface.[Middle English proheme, from Old French, from Latin prooemium, from Greek prooimion : pro-, before; see pro-2 + oimē, song.]pro·e′mi·al(prō-ē′mē-əl, -ĕm′ē-) adj. EncyclopediaSeeproemMedicalSeeprodromal