doughnut-shaped
- s shaped like a ring
- Like other squid species, the colossal squid appears to have blue blood, a tongue covered in teeth and an esophagus which drains through the middle of its doughnut-shaped brain.
- Mischief Reef itself is a doughnut-shaped ring of coral several kilometers in diameter, all of which lies under the surface of the sea.
- The scientists think one arm of the X is a massive, doughnut-shaped cloud of dust swirling around the hole.