Definition of geophyte in US English:

geophyte

noun

Botany
  • A perennial plant which propagates by means of underground buds or has an underground storage organ such as a bulb, corm, or rhizome.

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From geo- + -phyte, after German Geophyt.

Pronunciation

geophyte

/ˈdʒiːə(ʊ)fʌɪt/