Definition of orthotropous in English:

orthotropous

adjective

Botany
  • (of a plant ovule) having the nucleus straight, i.e., not inverted, so that the micropyle is at the end opposite the base.

    • ‘The ovary of macadamia contains two orthotropous ovules at anthesis.’

Pronunciation:

orthotropous

/ôrˈTHätrəpəs/