grande dame /däm/ noun

1. A great and aristocratic lady, or a socially important and very dignified one
2. A woman highly revered in her particular profession or field (now, as for masc grand seigneur, often ironic)

grande école /ā-kol/ noun

A prestigious French higher-education college, to which entry is competitive, specializing esp in applied science, engineering and other technical subjects

grande entrée /ã-trā/ noun

Admission to Court, etc on occasions of state

grande marque /märk/ noun

Of motor cars, etc, a famous make

grande passion /pas-yɔ̃/ noun

A serious love affair or intense attachment

grande tenue /tə-nü/ noun

Full dress, esp military, etc

grande toilette /twa-let/ noun

Full dress, esp women's evening dress

grande vedette /və-det/ noun

A leading film or theatre star