1. the activity of birds building or occupying nests
2. the practice of arranging objects inside one another to save space
Usage: computing; design

1. present participle of nest: building or occupying a nest
2. present participle of nest: placing objects inside one another

1. designed to fit inside one another

Examples

• The birds began their nesting activities in early spring.
• We observed the robins nesting in our backyard tree.
• The programmer used nesting to organize the code structure.
• These nesting bowls save cabinet space when stored.
• The nesting tables can be pulled apart when needed.
• Nesting dolls fit inside each other perfectly.
• The eagles are nesting on the cliff face this year.