Melon thistle

Definitions

  • Webster's Revised Unabridged Dictionary
    • Melon thistle (Bot) A genus of cactaceous plants (Melocactus) having a fleshy and usually globose stem with the surface divided into spiny longitudinal ridges, and bearing at the top a prickly and woolly crown in which the small pink flowers are half concealed
    • Melon thistle etc. See under Globe Melon, etc.
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