A congenital malformation of the head characterized by a markedly diminished or absent lower jaw and the joining or close approach of the ears on the front of the neck below the face.

Nearby words

  1. oto,
  2. oto-,
  3. oto-manguean,
  4. otoantritis,
  5. otobius,
  6. otocleisis,
  7. otoconium,
  8. otocranium,
  9. otocyst,
  10. otocystic

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.