adactylia, adactylism, adactyly - congenital absence of fingers and/or toes

birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder - a defect that is present at birth

phocomelia, seal limbs - an abnormality of development in which the upper part of an arm or leg is missing so the hands or feet are attached to the body like stumps; rare condition that results from taking thalidomide during pregnancy