Definition of pleiad in English:

pleiad

noun

literary
  • An outstanding group of seven people or things.

    • ‘From the constellation we have sketched out, there emerges an inspirational (although this a subjective preference) pleiad of authors, who in the last five years or so have produced a range of suggestive and effective literary works.’
    • ‘The Alexandrian Pleiad is the name given to a group of seven Alexandrian poets and tragedians in the 3rd century B.C.’

Origin

Early 17th century: from Pleiades.

Pronunciation

pleiad

/ˈplēəd/