planet
- noun
- A2
- Top 3000

A very large round body in space that travels around a star, the way the earth travels around the sun.
Scientists have found hundreds of planets around other distant stars.
A small robot vehicle sent back photographs from the red planet.
We all have to protect our planet from pollution and waste.
The museum shows a moving model of each planet and its rings.
Common collocations: the red planet · dwarf planet · our planet · planet Earth · orbit a planet · inner planets · distant planet
Part of: Space, Science and technology
Forms
- plural
- planets