Meaning of ectrodactylism

ec•tro•dac•tyl•ism

Pronunciation: (ek"trō-dak'tu-liz"um), [key]
— n. Med.
  1. the congenital absence of part or all of one or more fingers or toes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.