• (n.) Any species of Old World geckoes of the genus Hemidactylus. The hemidactyls have dilated toes, with two rows of plates beneath.
Hem`i·dac'tyl noun [ See Hemi- , and Dactyl .] (Zoology) Any species of Old World geckoes of the genus Hemidactylus . The hemidactyls have dilated toes, with two rows of plates beneath.