Noun bluebonnet has 2 senses
  1. bluebonnet, buffalo clover, Texas bluebonnet, Lupinus subcarnosus - low-growing annual herb of southwestern United States (Texas) having silky foliage and blue flowers; a leading cause of livestock poisoning in the southwestern United States
    --1 is a kind of lupine, lupin
  2. Balmoral, bluebonnet - a brimless dark blue Scottish cap with a flat top and a plume on one side
    --2 is a kind of cap
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