Improve مُسطح meaning in English

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

even

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

even

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