1. a small hummingbird with a bright red throat, especially the ruby-throated hummingbird found in eastern North America

Examples

• The rubythroat hovered at the feeder, its iridescent throat gleaming in the sunlight.
• We spotted a male rubythroat in our garden this morning.
• Rubythroats migrate thousands of miles each year between their breeding and wintering grounds.
• The tiny rubythroat’s wings beat so fast they were just a blur.
• Sugar water in red feeders attracts rubythroats to backyard gardens.
• During spring migration, rubythroats can be seen throughout the eastern United States.