syndactylism

syn·dac·ty·ly  (sn-dkt-l) or syn·dac·tyl·ism (-t-lzm)

n. Biology

1. The condition of having two or more fused digits, as occurs normally in certain mammals and birds.

2. A congenital anomaly in humans characterized by two or more fused fingers or toes.

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syndactylism

the union of two or more digits, common in many birds such as kingfishers and hornbills. — syndactylic, adj. — syndactyly, n.

See also: Hands

Thesaurus

Noun

1.

syndactylism - birth defect in which there is partial or total webbing connecting two or more fingers or toes syndactyly human, human being, homo, man - any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder - a defect that is present at birth