peperomia Syllabification: (pep·er·o·mi·a)Pronunciation: /ˌpepəˈrōmēə/Definition of peperomia noun a small, fleshy-leaved, tropical plant of the pepper family. Many are grown as houseplants, chiefly for their decorative foliage. Genus Peperomia, family Piperaceae Origin:modern Latin, from Greek peperipeperomia in other Oxford dictionaries Definition of peperomia in the British & World English dictionary