anulus
1. [ noun ] (geometry) a toroidal shape
Synonyms: ring doughnut annulus anchor_ring halo
Examples:

"a ring of ships in the harbor" "a halo of smoke"

Related terms: toroid fairy_ring surround
Similar spelling:   annulus
  Anolis
  analogous
  analyst
  analyse
  Analisa
  analysis
  analyser
  anal_sex
  analysand
  analgesic
  analgesia
  analects
  anlage
  analogist
  analogise
  analog