Definitions

1. noun

a thorn; a prickly shrub or plant with thorns, especially the blackthorn or hawthorn

“The thorns on the dorn bush were causing a problem for the hikers.”

2. noun

a point or a projecting part, especially a sharp one

“The dorn on the tree branch was causing a cut on my hand.”

3. verb

to cause to be stuck with a thorn or a sharp point

“The dorn of the thistle got stuck in my shoe.”