Definition of "pelting"

pelting¹

verb
1. present participle and gerund of pelt
noun
plural peltings
1. The act by which somebody or something is pelted.
  Quotations
  […] the rain began to pour down in torrents, and we exposed our persons to the peltings of the shower rather than have our few books and remaining dry clothes injured.
  1830, Baptist Missionary Magazine, volume 10, page 88

pelting²

adjective
comparative more pelting, superlative most pelting
1. (obsolete) mean; paltry
  Quotations
  I pray you, let us see you in the field;We have had pelting wars since you refusedThe Grecians' cause.
  c. 1602, William Shakespeare, “The Tragedie of Troylus and Cressida”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act IV, scene v]