Crossword clue: birth defect characterized by the presence of more than the normal number of fingers or toes

The most common answer is polydactyly (11 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

polydactyly 11 letters wn-def

birth defect characterized by the presence of more than the normal number of fingers or toes