BARRIER

[noun] [C] - a long pole, fence, wall or natural feature, such as a mountain or sea, that stops people from going somewhere, or (figurative) anything that prevents people from being together or understanding each otherBarriers have been erected all along the route that the Pope will take.Passengers are requested to show their tickets at the barrier (= the gate in some railway stations through which you must go to get a train).The mountains acted as a natural barrier to the spread of the disease.(figurative) Despite the language barrier (= not speaking the same language), they soon became good friends.(figurative) Shyness is one of the biggest barriers to making friends (= something that makes this difficult).(UK) Barrier cream is a cream that stops dirt or chemicals from getting through to the skin. barring preposition - See at bar (EXCEPT)