| Rorate caeli | |
|---|---|
_2010-07-14_290.jpg) Medieval manuscript of the Gregorian chant "Rorate caeli" | |
| Type | Mass |
| Classification | Catholic |
| Scripture | (Isaiah 45:8) |
| Other name(s) | Rorate coeli |
"Rorate caeli" or "Rorate coeli" ('Drop down, ye heavens') are the opening words of Isaiah 45:8 in the Vulgate. The text appears at several points in the Christian liturgy of the Western Church during Advent.