alicorn

noun3

1. •
   (nonstandard) A mythological creature, a mixture of pegasus and unicorn: a winged horse with a single horn on its head.

   • The Alicorn. He be a winged unicorn, the finest equine flesh extant, the adoration of every fair and innocent maiden. For that steed I would give anything. — 1984
2. •
   (historical) The horn of a unicorn considered as a medical or pharmacological ingredient.

   • He admits that powdered alicorn will delay the death of a poisoned pigeon, but says that any other horn will do the same thing by retarding assimilation. — 1930
3. •
   (no longer used) A unicorn.