The thorn stands for physical suffering in dreams. In matters of health, it may indicate a vulnerability to infection. Related DreamsThorn See “brier”Thorn 1. Hindered progress. 2. Sin, guilt. 3. Contentment to come.A Thorn Tree If a thorn-tree is seen in the dram, it means the observer of the dream will suffer some harm caused by some person. It could also be a forewarning of an impending calamity.