1. Plural of hedgehopper; aircraft or pilots that fly at very low altitudes, close to the ground or treetops.
Usage: aviation; informal
2. Plural of hedgehopper; small birds or animals that move by hopping through hedges and shrubs.
Usage: informal; chiefly British

Examples

• The hedgehoppers performed daring maneuvers just above the treetops during the air show.
• Military hedgehoppers used low-altitude flying tactics to avoid radar detection.
• The sparrows and wrens are natural hedgehoppers, darting through the garden shrubs.
• Experienced hedgehoppers must have excellent spatial awareness and quick reflexes.
• The documentary featured footage of vintage hedgehoppers from World War II.
• Small songbirds are efficient hedgehoppers, moving rapidly through dense vegetation.