Meaning : Any affliction that causes great suffering.
Example :
That is his cross to bear.
He bears his afflictions like a crown of thorns.
Synonyms : cross
Meaning : Somewhat climbing bushy spurge of Madagascar having long woody spiny stems with few leaves and flowers with scarlet bracts.
Synonyms : christ plant, christ thorn, euphorbia milii
Meaning : A mock crown made of thorn branches that Roman soldiers placed on Jesus before the Crucifixion.