fasten (something, especially a door or window) with a bar or bars

she bolted and barred the door

prevent or prohibit (someone) from doing something or from going somewhere

she is barred from leaving the country

mark (something) with bars or stripes

his face was barred with light

closed or secured with a long rigid piece of wood, metal, or similar material

he sits by a barred window

a barred gate

marked with bands of colour or light

he spotted a barred owl