1. plural of bluecap; small birds with blue plumage on the head, especially the blue tit
Usage: chiefly British; ornithological
2. plural of bluecap; soldiers or police officers wearing blue caps or uniforms
Usage: informal; historical

Examples

• The bluecaps visited the garden feeder every morning.
• A flock of bluecaps flitted through the hedgerow.
• The bluecaps were easily identified by their distinctive blue crowns.
• During the colonial period, the bluecaps patrolled the streets.
• Birdwatchers spotted several bluecaps in the woodland area.