Definition of welt. 1 : a strip between a shoe sole and upper through which they are stitched or stapled together. 2 : a doubled edge, strip, insert, or seam (as on a garment) for ornament or reinforcement. 3a : a ridge or lump raised on the body (as by a blow or allergic reaction)b : a heavy blow.
The list of signs and symptoms mentioned in various sources for Polydactyly includes the 4 symptoms listed below: 1  More toes than normal. 2  More fingers than normal. 3  Extra digit on hand. 4  Extra digit on foot. 5  more information...Â».
Polydactyly or polydactylism (from Greek ÏÎ¿Î»ÏÏ (polys) , meaning many, and Î´Î¬ÎºÏÏÎ»Î¿Ï (daktylos) , meaning finger), also known as hyperdactyly, is a congenital physical anomaly in humans, dogs, and cats having supernumerary fingers or toes.