Definition of polycarpellary in US English:

polycarpellary

adjective

Botany
  • Having, consisting of, or derived from two or more carpels or ovaries, especially (in later use) with the carpels or ovaries fused together.

Origin

Late 19th century; earliest use found in Daniel Oliver (1830–1916), botanist. From poly- + carpellary. Compare polycarpellé.