English edit

Etymology edit

From set +‎ fast.

Pronunciation edit

Noun edit

setfast (plural setfasts)

  1. A tumour on a horse's back.
    • 2013, Philipp Meyer, The Son, Simon & Schuster, published 2014, page 8:
      Her brother Clint had bought a horse and saddle off that pastor and there had been a setfast under the blanket nearly the size of a griddle cake.

Anagrams edit