| Noun | 1. | medusa's head - African dwarf succulent perennial shrub with numerous slender drooping branchesEuphorbia, genus Euphorbia - type genus of the Euphorbiaceae: very large genus of diverse plants all having milky juice spurge - any of numerous plants of the genus Euphorbia; usually having milky often poisonous juice |
| 2. | medusa's head - weedy rye grass having long bristling awnswild rye - any of several grasses of the genus Elymus |