Source : Webster's Revised Unabridged Dictionary (1913)

Hemidactyl \Hem`i*dac"tyl\, n. [See {Hemi-}, and {Dactyl}.]
   (Zo["o]l.)
   Any species of Old World geckoes of the genus {Hemidactylus}.
   The hemidactyls have dilated toes, with two rows of plates
   beneath.