1. a narrow beam of light
2. a line extending from a point
Usage: mathematics
3. a flat fish with a long tail and wing-like fins

Examples

• A ray of sunlight streamed through the window.
• The lighthouse sent rays of light across the dark ocean.
• In geometry, a ray has one endpoint and extends infinitely in one direction.
• The fisherman caught a large ray near the coral reef.
• There wasn’t a ray of hope left in the situation.
• X-rays help doctors see inside the human body.
• The sun’s rays felt warm on her face.