Henry's pocket

English

Etymology

Etymology uncertain.

Noun

Henry's pocket (plural Henry's pockets)

1. (anatomy, zoology) The cutaneous marginal pouch in the ear of an animal, especially a cat or dog.
   • 1971, Olive Royston, Living Creatures of an English Home‎^[1], London: Routledge & Kegan Paul, →ISBN, page 64:

     If you examine a dog's ear very gently, you will find a little fold of skin ... known as Henry's pocket

   • 1991, D. I. Grant, Skin Diseases in the Dog and Cat‎^[2], 2nd edition, Oxford: Blackwell, →ISBN, page 44:

     [M]ites can be seen ... in Henry's pocket of the ear (especially in cats)

   • 2021 March 26, “Feline Friday Adoptable 'Cool Cats'”, in Greenville Daily Advocate, Greenville, OH, page 2:

     The small folds of skin found inside cats' ears are called 'Henry's pockets'