1. An abnormal tufted growth of small branches on a tree or shrub caused by fungi or insects or other physiological disturbance
   - witches' broom, witch broom, hexenbesen

Type of: tuft, tussock

• Clupea sprattus
• clupeid
• clupeid fish
• Clupeidae
• clusia
• Clusia flava
• Clusia insignis
• Clusia major
• Clusia rosea
• Clusiaceae
• cluster
• cluster bean
• cluster bomb
• cluster bomblet
• cluster headache
• cluster of differentiation 4
• cluster of differentiation 8
• clustered
• clustered bellflower
• clustered lady's slipper
• clustered poppy mallow
• clustering
• clutch
• clutch bag
• clutch pedal