Meaning 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.