1. a thorny shrub or small tree with white flowers and small dark blue fruits, native to Europe
2. a walking stick or club made from the wood of this plant

Examples

• The blackthorn hedge formed a natural barrier around the old farmhouse.
• White blackthorn blossoms covered the hillside in early spring.
• She picked sloes from the blackthorn bush to make jam.
• The old man carried a sturdy blackthorn walking stick.
• Blackthorn wood is prized for making traditional Irish walking sticks.
• The thorns on the blackthorn bush tore his jacket as he passed by.