411 REFERENCE · Wiktionary
Perseidæ
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
en noun form
en Perseidae.
en 1869 The History of Civilization https://books.google.com/books?id=a9xAAAAAcAAJ&pg=PA19 19 The most powerful of these were the Perseidæ