bluebonnet

noun blue·bon·net \ ˈblü-ˌbä-nət \
|Updated on: 11 Aug 2018

Definition of bluebonnet

1 a : a wide flat round cap of blue wool formerly worn in Scotland
b : one that wears such a cap; specifically : scot
2 : either of two low-growing annual lupines (Lupinus subcarnosus or L. texensis) of Texas with silky foliage and blue flowers

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First Known Use of bluebonnet

1568

in the meaning defined at sense 1a

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