eyestalk
/ˈaɪˌstɔk/
noun
- A movable stalk that supports an eye, found on some animals such as crabs, snails, and lobsters.
- The snail slowly extended its eyestalks to look for food.
- Lobsters have long eyestalks that give them a wide field of vision.
- A crab can move its eyestalks in different directions to see all around.