rhizoverbBeta
Dictionaryrimouter edge
noun / verb

rim

RIM/rɪm/

The outer edge of something, or to form or cover that edge.

A blue band follows the bowl's thick upper rim.

A plain round ceramic bowl viewed obliquely from above, with a contrasting blue band confined to its thick upper lip so the circular opening's outer edge is unmistakable.
Etymology
rimOld Englishedge, border

Old English rima meant an edge or border, even a seashore. The modern sense applies that same boundary idea to the outer edge of a wheel, opening, or other circular object.

In context

The Olympic Vault0:25
The discus is a circular disc with a smooth edge and a metallic rim.
What Are The Rules Of Discus Throwing? - The Olympic Vault

More examples

  • Salt rimmed the glass.
  • The plates had chipped rims.
  • Frost is rimming the pond.

Forms

rim · rims · rimmed · rimming

Similar words

edge
Can be any outer boundary, not necessarily circular.
lip
Often means a projecting edge around an opening.