noun. any tropical African shrub of the genus Protea having alternate rigid leaves and dense colorful flower heads resembling cones.
- Protea cynaroides
- king protea
- Protea mellifera
- genus Protea
Example sentences of the word protea
1. Noun, singular or mass
The king protea flower is large when opened and can grow to about 12 inches in diameter.
Also known as spider flower, this member of the protea family is a popular Australian garden plant.