bar·ring 
/ˈbɑrɪŋ/ preposition
/ˈbɑrɪŋ/ preposition 1 — used to say that something will happen unless something else happens ▪ They'll be at sea for six months, barring medical emergencies. [=they'll be at sea for six months if there are no medical emergencies] ▪ She's going to lose the election barring a miracle. [=unless a miracle occurs] 2 : other than (someone or something) : except
▪ No one, barring the magician himself, knows how the trick is done.
▪ No one, barring the magician himself, knows how the trick is done.
