web-footed

(dated) Having two toes in front and two behind, as the trogons and woodpeckers do.

present participle of to and fro

simple past tense and past participle of to and fro

Having an even number of toes, as in the artiodactyls.

Having an odd number of toes

nimble; agile with one's feet

(zoology) webfooted

(dated, derogatory or humorous) stuffy; precise

simple past tense and past participle of toe the mark