1. Having the shape of a disk; circular and flat or slightly curved.
Usage: Formal or technical usage, common in biology and geology

Examples

• The discoidal shape of the jellyfish allows it to move efficiently through water.
• Geologists identified discoidal rock formations in the canyon.
• The plant's discoidal leaves are arranged in a spiral pattern.
• Under the microscope, the discoidal cells appeared uniform in size.
• The discoidal structure of the fossil suggested it was an ancient sea creature.