Definition of polypyrenous in English:

polypyrenous

Pronunciation /ˌpɒlɪpʌɪˈriːnəs/

adjective

Botany
  • Of a fruit: containing two or more seeds.

Origin

Early 18th century; earliest use found in Phillips's New World of Words. From Hellenistic Greek πολυπύρηνος + -ous.