pol·y·dac·tyl 
(pŏl′ē-dăktəl) Biology
(pŏl′ē-dăktəl) Biology adj. also pol·y·dac·ty·lous (-tə-ləs)
Having more than the normal number of digits.
n.
A person or animal having more than the normal number of digits.
pol′y·dactyl·ism, pol′y·dacty·ly n.
polydactyl- opera buffa
- opera glass
- operagoer
- opera house
- operand
- operant
- operant conditioning
- operantly
- operate
- operatic
- operatically
- operatics
- operating expenditure
- operating expense
- operating room
- operating system
- operation
- operational
- operationalism
- operationalist
- operationally
- operations research
- operative
- operatively
- operator