cirrus
/ˈsɪrəs/
noun
- A type of cloud that looks like thin, wispy white streaks high in the sky, often made of ice crystals.
- Pilots watch for cirrus clouds because they can indicate changing weather ahead.
- The sky was full of cirrus clouds, which usually means fair weather.
- We could see thin cirrus stretching across the blue sky like feathers.
- A slender, flexible part or appendage on an animal, such as a tentacle or a hair-like structure.
- Each cirrus on the marine worm helps it move and capture prey.
- Under the microscope, the cirrus of the bryozoan looked like tiny waving arms.
- The barnacle uses its cirrus to sweep food particles into its mouth.