Improve خط محیط meaning in English

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

outline

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

outline

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