'Medusa's head' definitions:

Definition of 'medusa's head'

(from WordNet)
noun
African dwarf succulent perennial shrub with numerous slender drooping branches [syn: medusa's head, Euphorbia medusae, Euphorbia caput-medusae]
noun
Weedy rye grass having long bristling awns [syn: medusa's head, Elymus caput-medusae]

Definition of 'Medusa's head'

From: GCIDE
  • Medusa \Me*du"sa\, n. [L., fr. Gr. ?.]
  • 1. (Class. Myth.) The Gorgon; or one of the Gorgons whose hair was changed into serpents, after which all who looked upon her were turned into stone. [1913 Webster]
  • 2. [pl. Medusae.] (Zool.) Any free swimming acaleph; a jellyfish. [1913 Webster]
  • Note: The larger medusae belong to the Discophora, and are sometimes called covered-eyed medusae; others, known as naked-eyed medusae, belong to the Hydroidea, and are usually developed by budding from hydroids. See Discophora, Hydroidea, and Hydromedusa. [1913 Webster]
  • Medusa bud (Zool.), one of the buds of a hydroid, destined to develop into a gonophore or medusa. See Athecata, and Gonotheca.
  • Medusa's head. (a) (Zool.) An astrophyton. (b) (Astron.) A cluster of stars in the constellation Perseus. It contains the bright star Algol. [1913 Webster]