redcap

noun5

1. •
   (UK) A member of the Royal Military Police a unit in the British army.
2. •
   (US) A porter in a US railway station.
3. •
   (UK) A type of evil goblin or imp.

   • Lord Soulis he sat in Hermitage Castle, And beside him Old Redcap sly; — "Now, tell me, thou sprite, who are meikle of might, The death that I must die?" — 1876
4. •
   A breed of poultry.
5. •
   (UK, no longer used) A European goldfinch, Eurasian goldfinch (Carduelis carduelis).