† pachydactyladj. and n. (also pachydactyle) Obsoleterare(a) adj. = pachydactylousadj.(b) n. a pachydactylous animal.
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the world > animals > animal body > general parts > body and limbs > [adjective] > having separate digits > having thick digits
pachydactylous1848
pachydactyl1850
1850 Imperial Dict. II. 306/1Pachydactyl, a bird or other animal having thick toes.
1890 Cent. Dict.Pachydactyl, pachydactyle. I. a. Having thick digits; having fingers or toes enlarged, especially at their ends. II. n. A pachydactyl animal.