Weaver syndrome (WVS) is a rare, multisystem disorder characterized by tall stature, a typical facial appearance (hypertelorism, retrognathia) and variable intellectual disability. Additional features may include camptodactyly, soft doughy skin, umbilical hernia, and a low hoarse cry.

The presence of an unusually high plantar arch. Also called high instep, pes cavus refers to a distinctly hollow form of the sole of the foot when it is bearing weight.