Zȳg′o-dăc-tyl′ic or Zȳg′o-dăc-tyl-oŭs, a.

(Synop., § 130), Zȳg′o-dăc-tyl-oŭs, a. [Fr. zygo-dactyle, from Gr. ζυγόν, a yoke, pair, and δάκτυλος, finger, toe.] Having the toes disposed in pairs; — applied to an order of birds which have the feet furnished with two toes before and two behind, as the parrot, woodpecker, &c. Partington.