1. an asterid dicot genus of the family Compositae including dandelions. 
   菊科的一个海盘车单子叶植物属，包括蒲公英。
2. (botany) of or relating to or belonging to the plant family Compositae. 
   （植物学）关于、属于植物混合科目。
3. a genus of Eurasian herbs of the family Compositae with prickly foliage and large purplish flowers. 
   菊科欧亚草本植物的一个属，叶多刺，花大，略带紫色。
4. in some classifications considered a separate family comprising a subgroup of the Compositae including the ragweeds. 
   在某些分类中认为是豚草属中菊科小群中的一科。
5. (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust. 
   （天文学）恒星体系的总称；有恒星、星云和尘埃的数十亿系统之任何一个。

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