Index of English words, starting with "zy"

(1) - Zygapophysis (n.) One of the articular processes of a vertebra, of which there are usually four, two anterior and two posterior. See under Vertebra.

(1) - Zygodactyl (n.) Alt. of Zygodactyle

(1) - Zygodactylous (a.) Yoke-footed; having the toes disposed in pairs; -- applied to birds which have two toes before and two behind, as the parrot, cuckoo, woodpecker, etc.