bluebonnet Meaning, Definition & Usage

  1. noun 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
    Lupinus subcarnosus; buffalo clover; Texas bluebonnet.
  2. noun a brimless dark blue Scottish cap with a flat top and a plume on one side
    Balmoral.

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