megalosyndactyly

[ mĕg′ə-lō-sĭn-dăktə-lē ]

n.

A condition in which the fingers or toes are webbed or fused and of large size.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.