In order to rule securely, do not allow alliances between your enemies.

(politics) Synonym of divide and conquer

(US) A dual carriageway

A line of elevated terrain that divides a watershed or a continent, so that water flowing on either side eventually travels to separate bodies of water.

A glyph that separates words.

To divide, particularly into separate shares for distribution.

A plastic bar that separates the groceries of one customer from another's at a supermarket checkout.

plural of continental divide

plural of checkout divider

Something characterised by internal dissent or conflict.