1. resembling or having the shape of a doughnut; ring-shaped or toroidal
Usage: informal; often used in scientific or descriptive contexts

Examples

• The planet's rings create a doughnutlike formation around its equator.
• The molecule has a doughnutlike structure when viewed under an electron microscope.
• The bagel's doughnutlike hole makes it easy to hold.
• The doughnutlike cloud formation appeared suddenly over the valley.
• The tire's doughnutlike shape allows it to roll smoothly.