sand crack: Meaning and Definition of

sand' crack"

Pronunciation: [key]
— Vet. Pathol. Vet. Pathol.
  1. a crack or fissure in the hoof of a horse, extending from the coronet downward toward the sole, caused by a dryness of horn. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.