bluebonnet
1. [ noun ] (clothing) a brimless dark blue Scottish cap with a flat top and a plume on one side
Synonyms: balmoral Balmoral
Related terms: cap
2. [ noun ] (botany) 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
Synonyms: Texas_bluebonnet Lupinus_subcarnosus buffalo_clover
Related terms: lupine
Similar spelling:   bluepoint