Dactyl may mean:

• Dactyl (mythology), a creature in Greek mythology.
• Pterodactyl, a flying pterosaur from the Triassic to Cretaceous Period
• Dactyl (poetry), a metrical foot consisting of one long syllable and two short as in "Catherine." (Derived from the Greek word for finger, as a finger has one long segment and two shorter ones.)
• Dactyl (moon), the small natural satellite orbiting the asteroid Ida.
• Finger, in medical terminology, from the Greek δάκτυλος.
• The movable part of crustacean claws/pincers.

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