Definition of blackthorn:
shrub (part of speech: noun)
- poison sumac,
- rose of sharon,
- pussy willow,
It was as if it had found what it wanted, for it no longer whispered and lisped among the boughs of the blackthorn, but blew fiercely over the wide pastures, driving Esther before it, cutting through Mark like a sword.- "The Altar Steps", Compton MacKenzie.
- "The Passionate Elopement", Compton Mackenzie.
Ellen was thankful when Harold was fairly hunted out of the house and garden, even though he betook himself to the meadow, where Paul Blackthorn was lying on the grass with his feet kicking in the air, and shewing the skin through his torn shoes.- "Friarswood Post-Office", Charlotte M. Yonge.