\Plu"vi*al\, a. [L. pluvialis, fr. pluvia rain: cf. F.
pluvial. See {Plover}.]
1. Of or pertaining to rain; rainy. [R.]
2. (Geol.) Produced by the action of rain.

\Plu"vi*al\, n. [LL. pluviale a garment which keeps off
the rain: cf. F. pluvial.]
A priest's cope.