anisodactylous

[an-ahy-suh-dak-tl-uh s, an-ahy-]

adjective

Zoology. having the toes unlike, or unequal in number.
Ornithology. having three toes directed forward and one backward.

Also an·i·so·dac·tyl.

Origin of anisodactylous

aniso- + -dactylous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018