annular

/ˈænjələr/
adjective
  1. Shaped like a ring or circle.
    • The carpenter cut an annular groove into the wood to fit the metal band.
    • The annular design of the garden path made it easy to walk around the central fountain.
    • Saturn's rings are a famous example of an annular structure in space.
What does "annular" mean? | whatsthatwordmean | whatsthatwordmean