radula
/ˈrædʒələ/
noun
- A tongue-like organ in mollusks (like snails and slugs) that is covered with tiny teeth and used for scraping or cutting food.
- The snail uses its radula to scrape algae off rocks.
- Each species of mollusk has a uniquely shaped radula adapted to its diet.
- Biologists studied the radula of a sea slug under a microscope.