1. To send out rays or waves. 2. Heat radiated from the stove. 3. Spokes radiate from a wheel hub. 4. To spread into new habitats and thereby diverge or diversify. Used of a group of organisms. 5. To emit (light, for example) in or as if in rays. 6. a cactus that radiates spines. 7. To irradiate or illuminate (an object). 8. a leader who radiates confidence. 9. Having rays or raylike parts, as in the flower heads of daisies. 10. Characterized by radial symmetry. 11. a radiate head on a coin.
