spermatophyte Syllabification: (sper·mat·o·phyte)Pronunciation: /spərˈmatəˌfīt/Definition of spermatophyte noun Botany a plant of a large division that comprises those that bear seeds, including the gymnosperms and angiosperms. Division Spermatophyta spermatophyte in other Oxford dictionaries Definition of spermatophyte in the British & World English dictionary