Definition of pietra serena in English:

pietra serena

noun

  • A bluish sandstone used as a building material in Florence and throughout Tuscany.

Origin

Late 19th century; earliest use found in Susan Horner (d. 1900). From Italian pietra serena from pietra stone + serena, feminine of sereno clear.

Pronunciation

pietra serena

/ˌpjɛtrə səˈreɪnə/