1. Home
  2. Parenting & Family
  3. Twins & Multiples

"Conjoined Twins"

By Pamela Prindle Fierro, About.com

Definition: Monozygotic twins that do not fully separate from each other due to the incomplete division of the fertilized ovum.

Pronunciation: k&n-'joind

Also Known As: Siamese twins

Common Misspellings: conjoint, conjoind, cunjoined, conjointed

Explore Twins & Multiples

More from About.com

  1. Home
  2. Parenting & Family
  3. Twins & Multiples

©2008 About.com, a part of The New York Times Company.

All rights reserved.