noun
subshrubs of southeastern United States forming slow-growing clumps and having blue flowers in short terminal cymes
• Syn: ↑Amsonia tabernaemontana
• Member Holonyms: ↑Amsonia, ↑genus Amsonia
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noun : a star of special type O or B having a high surface temperature and a bluish white color (as Rigel)
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blue star,
1. a very bright, hot star whose light is largely of a blue color.
2. = blue galaxy. (Cf. ↑blue galaxy)
Useful english dictionary. 2012.