Weaver syndrome means: Weaver syndrome is a condition that causes excessive growth. It manifests as an overgrowth syndrome, with accelerated bone age and increased growth at birth. Hypertonia increases muscle tone and camptodactyly impairs the ability to extend the fingers fully. Mutations in the gene NSD1. More than three-fourths are affected by a second overgrowth disorder, Sotos syndrome.
(in Medical Dictionary)