gynostegium

[ jin-uh-stee-jee-uh m, gahy-nuh-, jahy- ]
/ ˌdʒɪn əˈsti dʒi əm, ˌgaɪ nə-, ˌdʒaɪ- /

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.

Origin of gynostegium

From New Latin, dating back to 1875–80; see origin at gyno-, stego-, -ium