1. Prickly bushy Eurasian plant; a troublesome weed in central and western United States
   - Russian thistle, Russian tumbleweed, tumbleweed, Salsola kali tenuifolia

Type of: bush, shrub

• primary colour
• primary colour for light
• primary colour for pigments
• primary dentition
• primary dysmenorrhea
• primary election
• primary feather
• primary health care
• primary quill
• primary school
• primary sex character
• primary sex characteristic
• primary sexual characteristic
• primary solid solution
• primary subtractive color for light
• primary subtractive colour for light
• primary syphilis
• primary tooth
• primary winding
• primate
• Primates
• primateship
• primatology
• Primaxin
• prime