rain napper
noun- Within a few minutes, Mr. Fair, who was also the Sheriff, came into the building while closing his rain napper.2010, Ann DeWitt, Kevin M. Weeks, Entangled in Freedom: A Civil War Story, page 17:
- “Tonight I would trade every fancy racer for a hansom nag, or even for a rain napper.”2015, Laurie R. King, In the Company of Sherlock Holmes:
1 more example
- “Glad to hear it,” he said. “Shoulda taken a rain napper, though. You're wet through.”2016, Matthew J. Kirby, A Taste for Monsters: