1. 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
   - bluebonnet, buffalo clover, Texas bluebonnet

Type of: lupin, lupine

• bubble gum dermatitis
• bubble over
• bubble pack
• bubble shell
• bubble up
• bubblejet
• bubblejet printer
• bubbler
• bubbliness
• bubbling
• bubbly
• bubby
• Buber
• bubo
• Bubo virginianus
• bubonic
• bubonic plague
• Bubulcus
• Bubulcus ibis
• buccal
• buccal artery
• buccal cavity
• buccaneer
• buccaneering
• buccinator