Definition of monosperm in US English:

monosperm

adjective

Botany
rare
  • = monospermous.

Origin

Mid 19th century; earliest use found in Constantine Rafinesque (1783–1840). From mono- + sperm. Compare French monosperme, adjective, Italian monospermo, adjective.

Pronunciation

monosperm

/ˈmɒnə(ʊ)spəːm/