transitive verb

1. to make sound, well, or healthy again; restore to health heal the sick
2. 1. to cure or get rid of (a disease)
   2. to cause (a wound, sore, etc.) to become closed or scarred so as to restore a healthy condition
3. to free from grief, troubles, evil, etc.
4. 1. to remedy or get rid of (grief, troubles, etc.)
   2. to make up (a breach, differences, etc.); reconcile

Etymology: ME helen < OE hælan (akin to Ger heilen) < base of hal, sound, healthy: see hale, whole

intransitive verb

1. to become well or healthy again; be cured
2. to become closed or scarred: said of a wound