Definition of megagametophyte in English:

megagametophyte

noun

Botany
  • A gametophyte that develops from a megaspore; a female gametophyte.

Origin

Early 20th century; earliest use found in Annals of the Missouri Botanical Garden. From mega- + gametophyte.

Pronunciation

megagametophyte

/ˌmɛɡəɡəˈmiːtə(ʊ)fʌɪt//ˌmɛɡəˈɡamɪtəfʌɪt/