noun, plural gyn·o·ste·gi·a [jin-uh–stee-jee-uh, gahy-nuh-, jahy-] /ˌdʒɪn əˈsti dʒi ə, ˌgaɪ nə-, ˌdʒaɪ-/. Botany.
- a specialized caplike mass of tissue covering a gynoecium.
noun, plural gyn·o·ste·gi·a [jin-uh–stee-jee-uh, gahy-nuh-, jahy-] /ˌdʒɪn əˈsti dʒi ə, ˌgaɪ nə-, ˌdʒaɪ-/. Botany.