Entry 1 sense Webster, 1913 Epiphonema · Ep·i·pho·ne·ma · IPA /ˌɛpɪfəˈniːmə/ 01 n. An exclamatory sentence, or striking reflection, which sums up or concludes a discourse. 1. An exclamatory sentence, or striking reflection, which sums up or concludes a discourse.(Rhet.)