1. a large flightless bird native to South America, similar to an ostrich but smaller
2. in Greek mythology, a Titaness who was the mother of Zeus and other Olympian gods
Usage: mythology

Examples

• The rhea is the largest bird in South America.
• Rheas can run up to 40 miles per hour to escape predators.
• The male rhea incubates the eggs and cares for the young.
• We saw a group of rheas grazing in the Argentine pampas.
• In Greek mythology, Rhea saved Zeus from being devoured by his father Cronus.
• Rhea was known as the mother of the gods in ancient Greek religion.