Definitions for "Polydactyly"
An abnormality in which a person is born with more than the normal number of fingers or toes.
a condition characterised by having more than five fingers or toes on any given hand or foot. These extra digits cause no discomfort, and are found in both chromosomally normal and chromosomally abnormal individuals.+ Associated link:
Literally, "many fingers"; a genetic mutation that causes cats to have extra toes on their paws.
Keywords:  digits, number, usual
Having more than the usual number of digits