Definition of ombrophobous in US English:

ombrophobous

adjective

Botany
  • Of a plant: intolerant to prolonged rainfall.

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From ombro- + -phobous, after German ombrophob. Compare ombrophilous.

Pronunciation

ombrophobous

/ˌɒmbrə(ʊ)ˈfəʊbəs/