(plural red caps)
- (UK, folklore) A kind of evil brownie or imp.
- 1999: J.K. Rowling, Harry Potter and the Prisoner of Azkaban
- After boggarts, they studied Red Caps, nasty little goblinlike creatures that lurked where there had been bloodshed...
- A breed of poultry.
- Red Cap: A rare member of the English class, these are characterized by having a large rose comb. They are one of the few breeds with red earlobes that lay white-shelled eggs. Content: Chicken Breeds and Varieties (A2880), John L. Skinner, University of Wisconsin-Madison