1. a small diving waterbird of the grebe family, found in Europe and Asia
Usage: also called little grebe; chiefly British

Examples

• The didapper is one of the smallest grebes in Europe.
• We spotted a didapper diving beneath the surface of the pond.
• Didappers are known for their ability to disappear underwater quickly.
• The didapper's compact body makes it an excellent swimmer.
• In winter, didappers often gather on larger bodies of water.