a. [ L. pluvialis, fr. pluvia rain: cf. F. pluvial. See Plover. ] 1. Of or pertaining to rain; rainy. [ R. ] [ 1913 Webster ]
2. (Geol.) Produced by the action of rain. [ 1913 Webster ]
n. [ LL. pluviale a garment which keeps off the rain: cf. F. pluvial. ] A priest's cope. [ 1913 Webster ]