| n. | 1. | (Bot.) A plant of the genus Hieracium; - so called from the ancient belief that birds of prey used its juice to strengthen their vision. |
| Noun | 1. | hawkweed - any of various plants of the genus Pilosella |
| 2. | hawkweed - any of numerous often hairy plants of the genus Hieracium having yellow or orange flowers that resemble the dandelion |