The Collaborative International Dictionary
Syndactylous
Syndactylous \Syn*dac"tyl*ous\, a. (Zo["o]l.) Having the toes firmly united together for some distance, and without an intermediate web, as the kingfishers; gressorial.
Wiktionary
syndactylous
(context zoology English) Having the toes firmly united together for some distance, and without an intermediate we