Definition of monorhinous in US English:

monorhinous

adjective

Zoology
rare
  • = monorhine.

Origin

Early 20th century; earliest use found in Webster's International Dictionary of the English Language. From monorhine or its etymon scientific Latin Monorrhina + -ous; in later use probably a remodelling of monorhinal or monorhine + -ous.

Pronunciation

monorhinous

/ˌmɒnə(ʊ)ˈrʌɪnəs/