1. a person who regularly attends horse races and watches from near the rail of the track
Usage: informal
2. any of various marsh birds that live near water, especially rails
Usage: ornithology

Examples

• The old railbird knew every horse’s racing history by heart.
• Railbirds gathered at the fence to watch the morning workouts.
• He spent his retirement as a railbird at the local track.
• The railbird spotted a Virginia rail in the wetland.
• Experienced railbirds can predict which horses will perform well.
• The marsh was home to several species of railbirds.