Improve حاجز meaning in English

Is there any meaning of the word حاجز that needs an edit? Please click that meaning to rewrite it.

insulator

Is there any meaning of the word حاجز that needs to be removed from the list? Please click that meaning to mark it for deletion.

insulator

Do you want to add a new meaning, definition, and a sentence of the word حاجز? Please feel free to add.